Card Codex

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17 May 2024: Card library updated.

Assert Authority

5UU · Instant

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.

Similar cards

Color identity:
NameManaTypeText
Subtlety 2UUCreature — Elemental Incarnation Flash Flying When Subtlety enters the battlefield, choose up to one target creature spell or planeswalker spell. Its owner puts it on the top or bottom of their library. Evoke—Exile a blue card from your hand. 3/3
Psychic Trance 2UUInstant Until end of turn, Wizards you control gain "{T}: Counter target spell."
Oaken Boon 3GSorcery — Adventure Put two +1/+1 counters on target creature. (Then exile this card. You may cast the creature later from exile.)
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Junktroller 4Artifact Creature — Golem Defender {T}: Put target card from a graveyard on the bottom of its owner's library. 0/6
Muck Drubb 3BBCreature — Beast Flash When Muck Drubb enters the battlefield, change the target of target spell that targets only a single creature to Muck Drubb. Madness {2}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) 3/3
Quintorius, Loremaster 3RWLegendary Creature — Elephant Cleric Vigilance At the beginning of your end step, exile target noncreature, nonland card from your graveyard. Create a 3/2 red and white Spirit creature token. {1}{R}{W}, {T}, Sacrifice a Spirit: Choose target card exiled with Quintorius. You may cast that card this turn without paying its mana cost. If that spell would be put into a graveyard, put it on the bottom of its owner's library instead. 3/5
Necropede 2Artifact Creature — Phyrexian Insect Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) When Necropede dies, you may put a -1/-1 counter on target creature. 1/1
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