Assert Authority
Mirrodin (MRD) #30 · Uncommon · Instant
Mana cost: {5}{U}{U}
Affinity for artifacts (This spell costs {1} 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.
Illustrated by Greg Hildebrandt · Released October 2, 2003
Prices
- Nonfoil: $0.31 USD · €0.23 EUR
- Foil: $3.70 USD · €1.07 EUR
Nonfoil price since August 29, 2026: up $0.03 USD (10.7%) to $0.31 USD; low $0.28 USD, high $0.31 USD.
Printings
- Mirrodin #30 (this printing) · Uncommon · 2003 · $0.31 USD
Legality
- Standard: Not legal
- Alchemy: Not legal
- Pioneer: Not legal
- Historic: Not legal
- Modern: Legal
- Brawl: Not legal
- Legacy: Legal
- Timeless: Not legal
- Vintage: Legal
- Pauper: Not legal
- Commander: Legal
- Penny: Not legal
- Oathbreaker: Legal
- Duel: Legal