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
Dissolve 1UUInstant Counter target spell. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
Memory Drain 2UUInstant Counter target spell. Scry 2.
Confirm Suspicions 3UUInstant Counter target spell. Investigate three times. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
Second Guess 1UInstant Counter target spell that's the second spell cast this turn.
Lay Bare 2UUInstant Counter target spell. Look at its controller's hand.
Deathgrip BBEnchantment {B}{B}: Counter target green spell.
Grip of Amnesia 1UInstant Counter target spell unless its controller exiles all cards from their graveyard. Draw a card.
Vex 2UInstant Counter target spell. That spell's controller may draw a card.
Ulamog's Nullifier 2UBCreature — Eldrazi Processor Devoid (This card has no color.) Flash Flying When Ulamog's Nullifier enters the battlefield, you may put two cards your opponents own from exile into their owners' graveyards. If you do, counter target spell. 2/3
Counterflux UURInstant This spell can't be countered. Counter target spell you don't control. Overload {1}{U}{U}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
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