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
Polukranos, Unchained 2BGLegendary Creature — Zombie Hydra Polukranos enters the battlefield with six +1/+1 counters on it. It escapes with twelve +1/+1 counters on it instead. If damage would be dealt to Polukranos while it has a +1/+1 counter on it, prevent that damage and remove that many +1/+1 counters from it. {1}{B}{G}: Polukranos fights another target creature. Escape—{4}{B}{G}, Exile six other cards from your graveyard. 0/0
Shrewd Hatchling 3U/RCreature — Elemental Shrewd Hatchling enters the battlefield with four -1/-1 counters on it. {U/R}: Target creature can't block Shrewd Hatchling this turn. Whenever you cast a blue spell, remove a -1/-1 counter from Shrewd Hatchling. Whenever you cast a red spell, remove a -1/-1 counter from Shrewd Hatchling. 6/6
Hand of the Praetors 3BCreature — Phyrexian Zombie Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Other creatures you control with infect get +1/+1. Whenever you cast a creature spell with infect, target player gets a poison counter. 3/2
Parnesse, the Subtle Brush 2UBRLegendary Creature — Vampire Wizard Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless that player pays 4 life. Whenever you copy a spell, up to one target opponent may also copy that spell. They may choose new targets for that copy. 4/4
Relic Putrescence 2BEnchantment — Aura Enchant artifact Whenever enchanted artifact becomes tapped, its controller gets a poison counter.
Okiba Salvage 4BSorcery Return target creature or Vehicle card from your graveyard to the battlefield. Then put two +1/+1 counters on that permanent if you control an artifact and an enchantment.
Angelic Protector 3WCreature — Angel Flying Whenever Angelic Protector becomes the target of a spell or ability, Angelic Protector gets +0/+3 until end of turn. 2/2
Elspeth Conquers Death 3WWEnchantment — Saga (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Exile target permanent an opponent controls with mana value 3 or greater. II — Noncreature spells your opponents cast cost {2} more to cast until your next turn. III — Return target creature or planeswalker card from your graveyard to the battlefield. Put a +1/+1 counter or a loyalty counter on it.
First Little Pig 1G/WCreature — Boar {1}{G/W}: Exile target artifact or enchantment. Activate only once. 2/2
Cactarantula 4GGCreature — Plant Spider This spell costs {1} less to cast if you control a Desert. Reach Whenever Cactarantula becomes the target of a spell or ability an opponent controls, you may draw a card. 6/5
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