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
Torture Chamber 3Artifact At the beginning of your upkeep, put a pain counter on Torture Chamber. At the beginning of your end step, Torture Chamber deals damage to you equal to the number of pain counters on it. {1}, {T}, Remove all pain counters from Torture Chamber: It deals damage to target creature equal to the number of pain counters removed this way.
Death or Glory 4WSorcery Separate all creature cards in your graveyard into two piles. Exile the pile of an opponent's choice and return the other to the battlefield.
Quillmane Baku 4UCreature — Spirit Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Quillmane Baku. {1}, {T}, Remove X ki counters from Quillmane Baku: Return target creature with mana value X or less to its owner's hand. 3/3
Structural Distortion 3RSorcery Exile target artifact or land. Structural Distortion deals 2 damage to that permanent's controller.
Serum-Core Chimera 2URCreature — Phyrexian Chimera Flying Whenever you cast a noncreature spell, put an oil counter on Serum-Core Chimera. Remove three oil counters from Serum-Core Chimera: Draw a card. Then you may discard a nonland card. When you discard a card this way, Serum-Core Chimera deals 3 damage to target creature or planeswalker. Activate only as a sorcery. 2/4
Satyr Hoplite RCreature — Satyr Soldier Heroic — Whenever you cast a spell that targets Satyr Hoplite, put a +1/+1 counter on Satyr Hoplite. 1/1
Explosive Entry 1RSorcery Destroy up to one target artifact. Put a +1/+1 counter on up to one target creature.
Spike Feeder 1GGCreature — Spike Spike Feeder enters the battlefield with two +1/+1 counters on it. {2}, Remove a +1/+1 counter from Spike Feeder: Put a +1/+1 counter on target creature. Remove a +1/+1 counter from Spike Feeder: You gain 2 life. 0/0
Jade Orb of Dragonkind 2GArtifact {T}: Add {G}. When you spend this mana to cast a Dragon creature spell, it enters the battlefield with an additional +1/+1 counter on it and gains hexproof until your next turn. (It can't be the target of spells or abilities your opponents control.)
Serpent Generator 6Artifact {4}, {T}: Create a 1/1 colorless Snake artifact creature token. It has "Whenever this creature deals damage to a player, that player gets a poison counter." (A player with ten or more poison counters loses the game.)
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