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Play MTG Treachery online for free

Everyone knows who the Leader is. Around them, Guardians, Assassins and Traitors pursue their own goals. Gather your friends for a Commander game where every alliance matters.

  • 4 to 8 players
  • Manual Commander
  • Free in your browser

Four roles, five playmats

The Leader starts with their crown. Other players display a neutral playmat and card back. As soon as a role becomes public, its playmat, card backs and emblem update for everyone in the game.

Card back — Leader

Leader

Stay in the game and eliminate the Assassins and Traitors. The Guardians win with you.

Card back — Guardian

Guardian

Protect the Leader. Your team wins if the Leader outlasts all Assassins and Traitors.

Card back — Assassin

Assassin

Your team wins if the Leader is eliminated and at least one Assassin is still in the game.

Card back — Traitor

Traitor

Win by becoming the only player left. Other Traitors are on their own teams.

Card back — Hidden role

Hidden role

A question mark shows that a role is still secret. Select My role to check your own identity in private.

MTG Treachery rules on MainTable

  1. Set up your table

    Choose multiplayer Commander, the manual engine and 4 to 8 seats. Each player selects a legal Commander deck. The game can start once at least four players, including the host, are ready.

  2. Discover your role

    MainTable deals roles based on the number of ready players. The Leader is visible and takes the first turn. Everyone else checks their objective in My role.

  3. Play for your side

    Play Magic and declare eliminations as they happen. If one effect eliminates several players, select them together and wait for confirmation from the remaining players. MainTable then determines the winners.

Role breakdown at launch
Role breakdown at launch
Players LeaderTraitorAssassinGuardian
41120
51121
61131
71132
81232

Which option should I choose when creating a table?

Simple roles

Your role sets your objective. The Leader is revealed at the start. Other roles are revealed when their player is eliminated or the round ends.

Choose simple roles

Identity cards

Your Identity card gives you a power. Open My role to unveil your card once its conditions are met. The board then shows your identity and theme. Announce and pay the unveil cost shown on the card, then resolve its effect with the table. Some identities have an extra condition.

The Identity cards

Browse all 62 Oracle identities MainTable can deal in Identity cards mode. Select a card image to enlarge it or open the summary of its effect.

Leader

  • The Blood Empress

    Illustrated by rkpost

    Effect summary

    Once per turn when opposing creatures leave the battlefield, pick two: a black 0/1 Thrull, two Blood tokens, tap or untap a permanent, or drain 2 life from an opponent.

    Card entry in the Oracle
  • The Chaos Bringer

    Illustrated by One Vox

    Effect summary

    At your end step, roll a d6 once plus once per eliminated player. A 1 gives a white 0/1 Goat, 2 or 3 gives that much scry, 4 or 5 gives a Clue, Food or Treasure, and 6 gives all three.

    Card entry in the Oracle
  • The Corrupted Regent

    Illustrated by ArchLimit (Leo Li)

    Effect summary

    At your draw step, you may draw one extra card. If you do, choose a card drawn this turn and pay 3 life or put it back on top of your library.

    Card entry in the Oracle
  • The Debt Collector

    Illustrated by Grafitart

    Effect summary

    At upkeep, each player loses life for their debt counters and you gain the total. At your end step another player draws and takes a debt. When a player loses, draw for their debts.

    Card entry in the Oracle
  • The Gathering

    Illustrated by HarryBuddhaPalm (Justin Reed)

    Effect summary

    At upkeep choose up to one unused option: four white 1/1 Soldiers, scry 4 and draw two, return a creature from your graveyard, split four damage, or destroy a noncreature permanent.

    Card entry in the Oracle
  • Her Seedborn Highness

    Illustrated by Jason Engle

    Effect summary

    Start with one seed counter per player. Once each turn, spend 2 mana and a seed to untap all your permanents.

    Card entry in the Oracle
  • His Beloved Majesty

    Illustrated by Armandeo

    Effect summary

    At upkeep, each non-Leader may offer a nontoken, nonenchantment permanent they control to draw a card. You take and untap the offered permanents. If no one offers one, you draw.

    Card entry in the Oracle
  • The King over the Scrapyard

    Illustrated by Ralph Horsley

    Effect summary

    When one of your attacking or blocking creatures dies, make a Junk or Treasure. Make both if an opponent’s spell or ability removes one of your nontoken permanents.

    Card entry in the Oracle
  • The Lich Queen

    Illustrated by DavidBlac

    Effect summary

    Start with one grave counter per player and surveil 1 at upkeep. Once a turn, spend one counter to play a card from your graveyard. Exile the spell afterward or put a finality counter on the permanent.

    Card entry in the Oracle
  • The Old Ruler

    Illustrated by AnthonyFoti (Tony Foti)

    Effect summary

    Start with 20 extra life and an extra card, and increase your maximum hand size by one. At first upkeep make a Blood, Clue, Food, Map and Treasure.

    Card entry in the Oracle
  • The Queen of Light

    Illustrated by Jason Engle

    Effect summary

    Start with one purification counter per two players, rounded down. Spend 3 mana and a counter to exile a permanent chosen on resolution.

    Card entry in the Oracle
  • The Twin Princesses

    Illustrated by phoenixlu

    Effect summary

    Once each turn, spend 2 mana to copy an activated or triggered nonmana ability you control. You may change its targets.

    Card entry in the Oracle
  • The Void Tyrant

    Illustrated by Grivetart (Bastien Grivet)

    Effect summary

    Start with one void counter per two players. Spend 2 mana and a counter to counter a spell or a nonmana ability from a nonidentity source.

    Card entry in the Oracle

Guardian

  • The Ætherist

    Illustrated by Roggles (Rogie Custodio)

    Effect summary

    Counter a spell. At the chosen player’s next main phase, they gain life and colorless mana equal to that spell’s mana value.

    Card entry in the Oracle
  • The Augur

    Illustrated by lorlandchain (Chen Wei)

    Effect summary

    A player shuffles, scries X, then exiles the top card. They gain twice its mana value in life and may cast it for free.

    Card entry in the Oracle
  • The Bodyguard

    Illustrated by Hokunin (Prokopii Osipov)

    Effect summary

    Protect the chosen player and their creatures and planeswalkers from damage until your next turn.

    Card entry in the Oracle
  • The Cathar

    Illustrated by akizhao

    Effect summary

    Exile up to three chosen nonland permanents. They return under their owners’ control when you lose the game.

    Card entry in the Oracle
  • The Cryomancer

    Illustrated by OPOA

    Effect summary

    Tap X chosen permanents and remove them from combat. On your turn, also distribute X stun counters among those permanents.

    Card entry in the Oracle
  • The Flickering Mage

    Illustrated by Zolaida (Lisa Buijteweg)

    Effect summary

    Exile up to four chosen nonland permanents. Return them tapped under their owners’ control at the next end step.

    Card entry in the Oracle
  • The Golem

    Illustrated by Michael Phillippi

    Effect summary

    A chosen Leader loses 6 life and you gain 6. Leaders gain hexproof and cannot be attacked while this effect applies.

    Card entry in the Oracle
  • The Great Martyr

    Illustrated by Jason Engle

    Effect summary

    This turn, take damage, life loss, discards and sacrifices from opposing sources in the Leader’s place. Draw half the damage or life lost this way, rounded up, and gain 2 life per discard or sacrifice.

    Card entry in the Oracle
  • The Immortal

    Illustrated by malisaa

    Effect summary

    You may have one player gain 15 life and one player shuffle their graveyard into their library.

    Card entry in the Oracle
  • The Inquisitor

    Illustrated by Asahisuperdry

    Effect summary

    X other chosen players show their hands. Exile one card from each player’s hand or graveyard.

    Card entry in the Oracle
  • The Marshal

    Illustrated by Diego Gisbert Llorens

    Effect summary

    Choose a color and creature type. A chosen player makes X + 4 matching 1/1 tokens. If X is at least 3, destroy the other creatures.

    Card entry in the Oracle
  • The Mirror Maestra

    Illustrated by Anne Stokes

    Effect summary

    Choose a player and X target permanents. That player creates one token copy of each.

    Card entry in the Oracle
  • The Oracle

    Illustrated by GENZOMAN (Gonzalo Ordóñez Arias)

    Effect summary

    For the rest of this turn, Leaders have protection from everything and their life totals stay fixed.

    Card entry in the Oracle
  • The Quellmaster

    Illustrated by Kekai

    Effect summary

    Tap the creatures controlled by non-Leaders and put a stun counter on each.

    Card entry in the Oracle
  • The Spellsnatcher

    Illustrated by bpsola (Bryan Marvin P. Sola)

    Effect summary

    Counter a chosen spell. If you counter it this way, exile it. You may cast the card for free while it remains exiled.

    Card entry in the Oracle
  • The Summoner

    Illustrated by Kevin Glint

    Effect summary

    A chosen player makes X colorless 0/0 Shapeshifter tokens with changeling and reach. Each gets Y +1/+1 counters.

    Card entry in the Oracle
  • The Supplier

    Illustrated by Kieran Yanner

    Effect summary

    Get six gem counters. For 1 mana and one gem, a player puts an owned exiled card or a card from their graveyard third from the top of their library. For 2 mana and two gems, they reveal the top seven, keep two and put the rest on the bottom at random.

    Card entry in the Oracle
  • The Warlock

    Illustrated by Hokunin (Prokopii Osipov)

    Effect summary

    End the current phase unless it is the ending phase. Exile the stack’s contents and remove creatures from combat.

    Card entry in the Oracle

Assassin

  • The Ambitious Queen

    Illustrated by 88grzes (Grzegorz Rutkowski)

    Effect summary

    Counter a chosen noncreature spell.

    Card entry in the Oracle
  • The Beastmaster

    Illustrated by Smolin (Nick Avallone)

    Effect summary

    Up to two chosen players each make two red and green 4/4 Beast tokens with trample.

    Card entry in the Oracle
  • The Bio-Engineer

    Illustrated by Ushihachi

    Effect summary

    Get six nut counters. Spend 1 mana and one nut to put a +1/+1 counter on a chosen creature and make it an artifact too. Spend 2 mana and two nuts to take control of a chosen artifact.

    Card entry in the Oracle
  • The Chaos Wielder

    Illustrated by ericbraddock

    Effect summary

    Choose a card type. Your spells of that type gain cascade until the turn ends.

    Card entry in the Oracle
  • The Corpse Snatcher

    Illustrated by rk post

    Effect summary

    Everyone mills two. If at least one card is milled this way, return a creature card from a graveyard under a chosen player’s control. It also becomes a black Zombie.

    Card entry in the Oracle
  • The Demon

    Illustrated by KipcaHT

    Effect summary

    The chosen player searches their library for a card, puts it into their hand and shuffles.

    Card entry in the Oracle
  • The Depths Caller

    Illustrated by Gerald Brom

    Effect summary

    Choose a permanent type and tap any number of your untapped permanents of that type. Search for a card of that type with mana value up to X plus that number. Put it onto the battlefield tapped, then shuffle.

    Card entry in the Oracle
  • The Madwoman

    Illustrated by Anna Ignatieva

    Effect summary

    Tap up to two chosen creatures. Each deals damage to its controller equal to its power. Prevent combat damage to and from those creatures this turn.

    Card entry in the Oracle
  • The Necromancer

    Illustrated by Athayar (Nicolas Vallée)

    Effect summary

    During your turn, you may return up to one chosen creature card from each graveyard under your control.

    Card entry in the Oracle
  • The Physician

    Illustrated by gameriuxlt

    Effect summary

    Each chosen player gets 2X + 4 rad counters. At their precombat main phase they mill for those counters and lose 1 life and one counter per nonland card milled.

    Card entry in the Oracle
  • The Pyromancer

    Illustrated by Andantonius (Jon Neimeister)

    Effect summary

    During your turn, deal 6 damage to a chosen player and each of their creatures and planeswalkers. Creatures damaged this way lose indestructible for the turn.

    Card entry in the Oracle
  • The Rebel General

    Illustrated by larbesta

    Effect summary

    On your turn, take up to one permanent per non-Leader player until end of turn. Untap those permanents and give them haste for the turn.

    Card entry in the Oracle
  • The Seer

    Illustrated by DM7 (Martin MeKenzie)

    Effect summary

    Shuffle, scry X, reveal the top card and put it into your hand. If it is a nonland card, deal twice its mana value to any target.

    Card entry in the Oracle
  • The Shapeshifting Slayer

    Illustrated by Matjosh (Andrius Matijosius)

    Effect summary

    During your turn, copy a creature or a creature card outside hands and libraries. The token gains menace, trample and haste.

    Card entry in the Oracle
  • The Sigil Mage

    Illustrated by Peter Orullian

    Effect summary

    You may cast up to two chosen instant or sorcery cards from graveyards for free.

    Card entry in the Oracle
  • The Sorceress

    Illustrated by Bluefley (Marc Brunet)

    Effect summary

    Choose an instant or sorcery spell. You may retarget it, then copy it and may choose targets for the copy.

    Card entry in the Oracle
  • The Villain

    Illustrated by sbraithwaite

    Effect summary

    During your turn, a chosen opponent sacrifices half their nonland permanents or loses half their life, rounded up. They choose again at your next upkeep.

    Card entry in the Oracle
  • The War Shaman

    Illustrated by Bob Khel

    Effect summary

    Destroy up to two chosen nonland permanents. If neither was a creature, make a red X/X Elemental, where X is the combined mana value of the destroyed permanents.

    Card entry in the Oracle

Traitor

  • The Banisher

    Illustrated by Astri Lohne

    Effect summary

    Exile as many targeted creatures as you choose and draw one card for each that was not a token.

    Card entry in the Oracle
  • The Cleaner

    Illustrated by Snook-8

    Effect summary

    During your turn, exile nonland permanents you do not control and all opponents’ graveyards.

    Card entry in the Oracle
  • The Ferryman

    Illustrated by Andrew Hou

    Effect summary

    Choose a permanent. If it goes to a graveyard this turn, return another card of a shared type from that graveyard under your control. Once during your turn, pay 3 mana to turn this identity face down.

    Card entry in the Oracle
  • The Gatekeeper

    Illustrated by Pierluigi Abbondanza

    Effect summary

    Create Cerberus, a legendary black and red 4/8 Demon Dog token with menace, double strike, trample and lifelink. Pay 2 mana to turn this identity face down.

    Card entry in the Oracle
  • The Grenadier

    Illustrated by Kekai

    Effect summary

    Create X + 3 Explosive artifact tokens. Spend 1 mana and sacrifice an Explosive to destroy a chosen nonland permanent or make a chosen player lose 3 life.

    Card entry in the Oracle
  • He Who Comes To Save The Day

    Illustrated by Kekai

    Effect summary

    If the chosen player would lose this turn, they instead shuffle their hand, graveyard and permanents they own into their library. They draw twelve, go to 12 life and may put permanents of mana value 4 or less from their hand onto the battlefield.

    Card entry in the Oracle
  • The Metamorph

    Illustrated by Myrmirada (Anna Verhoog)

    Effect summary

    This turn, as an opponent loses, you may replace this card with that player’s identity. Turn it face down unless it is a Leader.

    Card entry in the Oracle
  • The Oneiromancer

    Illustrated by Hamsterfly (Viktor Titov)

    Effect summary

    Exile the top X cards of every library face down. You may look at them and cast one for free each turn, then exile the top card of a chosen player’s library face down.

    Card entry in the Oracle
  • The Puppet Master

    Illustrated by fuuryoku (Thom Scott)

    Effect summary

    Redistribute other players’ identities and turn moved non-Leaders face down. While this card is face up, you may look at hidden identities and draw two cards at the start of your end step.

    Card entry in the Oracle
  • The Reflector

    Illustrated by LeeJJ (Jon Lee)

    Effect summary

    Take control of a chosen ability, instant or sorcery. You may retarget it, then copy it for each opponent and choose targets for the copies.

    Card entry in the Oracle
  • The Time Bender

    Illustrated by Bob Khel

    Effect summary

    Choose two: reset each hand to seven after shuffling hands and graveyards into libraries, take an extra turn, or end the current turn.

    Card entry in the Oracle
  • The Treacherous Masochist

    Illustrated by Roman Baramzin

    Effect summary

    While face up, win if you would be first to lose, even in a tie. Until someone loses, your spells and abilities cannot cause you to lose and you cannot pay life. Conceding does not trigger this win.

    Card entry in the Oracle
  • The Wearer of Masks

    Illustrated by moonxels (David Demaret)

    Effect summary

    As you unveil, reveal up to X random non-Leader identities from outside the game. You may copy one until your card turns face down. Your role stays Traitor.

    Card entry in the Oracle

What does a game look like online?

The Leader’s gold playmat stands out in the table overview. On the player’s board, a matching sleeve covers the library.

Four player boards with the Leader’s gold playmat and three neutral playmats
Overview of a four-player table
Close-up of the Leader’s playmat with a golden crown in a throne room
A closer look at the Leader’s playmat

Common questions

Can I play MTG Treachery online for free?

Yes. Manual play on MainTable is free and runs in your browser. Sign in to your MainTable account to create or join a table and choose your deck.

How many players do I need?

A MainTable game supports 4 to 8 players. At four, the table has one Leader, two Assassins and one Traitor. The first Guardian joins the deal at five.

When does my playmat change?

The playmat, card backs and emblem update when a role is unveiled or made public upon elimination or at the end of the round. Open My role to check your identity in private.

Does the board resolve card effects for me?

Players resolve card effects on the manual board. MainTable deals the roles and calculates the result from confirmed eliminations.

Who will protect the Leader?

Invite your friends, choose your Commander deck and let MainTable deal the identities.

Report a problem

This report is sent to the administrator. Your explanation remains private.