Assert Authority
Mana cost
Mana value7TypeInstant
Color identity Blue
RarityUncommon
SetMirrodin (MRD)
ArtistGreg Hildebrandt
Price€0.23 · foil €1.06 · $0.36
Mana value7TypeInstant
Color identity Blue
RarityUncommon
SetMirrodin (MRD)
ArtistGreg Hildebrandt
Price€0.23 · foil €1.06 · $0.36Assert Authority
Instant
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.
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.