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Assert Authority
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Magic: The Gathering
Mana cost
MirrodinMRD · #30
- Card type
- Instant
- Rarity
- Uncommon
- Indicative price
- 0.24 € · ★ 1.07 € · 0.31 $ · ★ 3.70 $
- Mana value
- 7
- Colour
- Blue
Card text
Affinity for artifacts (This spell costs less to cast for each artifact you control.) Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.
Format legality
- CommanderLegal
- DuelLegal
- LegacyLegal
- ModernLegal
- OathbreakerLegal
- PredhLegal
- 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
- Greg Hildebrandt
- Card language
- English
- Release date
- 2003-10-02