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
Gyox, Brutal Carnivora 1BGLegendary Creature — Phyrexian Warlock At the beginning of your end step, put an oil counter on up to one target creature. Whenever a nontoken creature you control with one or more oil counters on it dies, conjure X duplicates of it into exile, where X is the number of oil counters on it. Those duplicates perpetually get +X/+X. Then shuffle those duplicates into your library. 2/4
Bant Plane — Alara All creatures have exalted. (Whenever a creature attacks alone, it gets +1/+1 until end of turn for each instance of exalted among permanents its controller controls.) Whenever chaos ensues, put a divinity counter on target green, white, or blue creature. That creature has indestructible for as long as it has a divinity counter on it.
Finale of Promise XRRSorcery You may cast up to one target instant card and/or up to one target sorcery card from your graveyard each with mana value X or less without paying their mana costs. If a spell cast this way would be put into your graveyard, exile it instead. If X is 10 or more, copy each of those spells twice. You may choose new targets for the copies.
Veilstone Amulet 3Artifact Whenever you cast a spell, creatures you control can't be the targets of spells or abilities your opponents control this turn.
Aegis of Honor WEnchantment {1}: The next time an instant or sorcery spell would deal damage to you this turn, that spell deals that damage to its controller instead.
Induced Amnesia 2UEnchantment When Induced Amnesia enters the battlefield, target player exiles all cards from their hand face down, then draws that many cards. When Induced Amnesia is put into a graveyard from the battlefield, return the exiled cards to their owner's hand.
Arcane Archery 2GInstant Target creature gets +3/+3 and gains reach and trample until end of turn. You get a one-time boon with "When you cast a creature spell, that creature enters the battlefield with an additional +1/+1 counter, reach counter, and trample counter on it."
Call of the Death-Dweller 2BSorcery Return up to two target creature cards with total mana value 3 or less from your graveyard to the battlefield. Put a deathtouch counter on either of them. Then put a menace counter on either of them.
Thing in the Ice 1UCreature — Horror Defender Thing in the Ice enters the battlefield with four ice counters on it. Whenever you cast an instant or sorcery spell, remove an ice counter from Thing in the Ice. Then if it has no ice counters on it, transform it. 0/4
Martyr's Cry WWSorcery Exile all white creatures. For each creature exiled this way, its controller draws a card.
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