Toxin Analysis
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Magic: The Gathering
Mana cost
Murders at Karlov ManorMKM · #107
- Card type
- Instant
- Rarity
- Common
- Indicative price
- 0.22 € · ★ 0.33 € · 0.25 $ · ★ 0.24 $
- Mana value
- 1
- Colour
- Black
Card text
Target creature gains deathtouch and lifelink until end of turn. Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")
Format legality
- BrawlLegal
- CommanderLegal
- CompetitivebrawlLegal
- DuelLegal
- FutureLegal
- GladiatorLegal
- HistoricLegal
- LegacyLegal
- ModernLegal
- OathbreakerLegal
- PauperLegal
- PaupercommanderLegal
- PioneerLegal
- StandardLegal
- StandardbrawlLegal
- TimelessLegal
- VintageLegal
Legalities follow the imported catalogue; check format rules before a tournament.
Data imported on 2026-10-06 (UTC).
Indicative Scryfall prices, updated daily. ★: foil; ★ E: etched foil. EUR and USD represent different markets.
Printing information
- Illustrator
- Irina Nordsol
- Card language
- English
- Release date
- 2024-02-09
Flavour text
"Poison this deadly is only used by the Ochran. Either the Golgari are behind this, or someone wants us to think they are."
Rulings
Clue is an artifact type. Even though it appears on some cards with other permanent types, it's never a creature type, a land type, or anything but an artifact type.
If an effect refers to a Clue, it means any Clue artifact, not just a Clue artifact token. For example, you can sacrifice Wrench to pay for Alquist Proft, Master Sleuth's activated ability.
Some abilities trigger "whenever you sacrifice a Clue". Those abilities trigger whenever you sacrifice a Clue for any reason, not just to activate a Clue's activated ability.
Some spells and abilities that investigate may require targets. If each target chosen is an illegal target as that spell or ability tries to resolve, it won't resolve. You won't create any Clue tokens.
You can't sacrifice a Clue to pay multiple costs. For example, you can't sacrifice a Clue token to activate its own ability and also to activate Alquist Proft, Master Sleuth's ability.