Card Codex

M:tG card similarity search

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
Crystallization G/UWEnchantment — Aura Enchant creature Enchanted creature can't attack or block. When enchanted creature becomes the target of a spell or ability, exile that creature.
Rimescale Dragon 5RRSnow Creature — Dragon Flying {2}{S}: Tap target creature and put an ice counter on it. ({S} can be paid with one mana from a snow source.) Creatures with ice counters on them don't untap during their controllers' untap steps. 5/5
Fell Horseman 3BCreature — Zombie Knight When Fell Horseman dies, put it on the bottom of its owner's library. 3/3
Necromantic Selection 4BBBSorcery Destroy all creatures, then return a creature card put into a graveyard this way to the battlefield under your control. It's a black Zombie in addition to its other colors and types. Exile Necromantic Selection.
Smirking Spelljacker 4UCreature — Djinn Wizard Rogue Flash Flying When Smirking Spelljacker enters the battlefield, exile target spell an opponent controls. Whenever Smirking Spelljacker attacks, if a card is exiled with it, you may cast the exiled card without paying its mana cost. 3/3
Zephyr Singer 2UUCreature — Siren Pirate Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Flying, vigilance When Zephyr Singer enters the battlefield, put a flying counter on each creature that convoked it. 3/4
Gale's Redirection 3UUInstant Exile target spell, then roll a d20 and add that spell's mana value. 1—14 | You may cast the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell. 15+ | You may cast the exiled card without paying its mana cost for as long as it remains exiled.
Witchstalker 1GGCreature — Wolf Hexproof (This creature can't be the target of spells or abilities your opponents control.) Whenever an opponent casts a blue or black spell during your turn, put a +1/+1 counter on Witchstalker. 3/3
Jhoira's Toolbox 2Artifact Creature — Insect {2}: Regenerate target artifact creature. 1/1
Charred Graverobber 2BCreature — Skeleton Mercenary When Charred Graverobber enters the battlefield, return target outlaw card from your graveyard to your hand. Escape—{3}{B}{B}, Exile four other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.) Charred Graverobber escapes with a +1/+1 counter on it. 3/1
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