Assert Authority
Instant
Mana cost: {5}{U}{U}
Mana value: 7
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.
Printings: 1
Format Legality
Standard
Not Legal
Pioneer
Not Legal
Modern
Legal
Commander
Legal
Legacy
Legal
Vintage
Legal
Pauper
Not Legal
Historic
Not Legal
Timeless
Not Legal
Printings
Mirrodin
· #30