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
Invigorating Hot Spring 1RGEnchantment Invigorating Hot Spring enters the battlefield with four +1/+1 counters on it. Modified creatures you control have haste. (Equipment, Auras you control, and counters are modifications.) Remove a +1/+1 counter from Invigorating Hot Spring: Put a +1/+1 counter on target creature you control. Activate only as a sorcery and only once each turn.
Devoted Druid 1GCreature — Elf Druid {T}: Add {G}. Put a -1/-1 counter on Devoted Druid: Untap Devoted Druid. 0/2
Burn Away 4RInstant Burn Away deals 6 damage to target creature. When that creature dies this turn, exile its controller's graveyard.
Temporal Distortion 3UUEnchantment Whenever a creature or land becomes tapped, put an hourglass counter on it. Each permanent with an hourglass counter on it doesn't untap during its controller's untap step. At the beginning of each player's upkeep, remove all hourglass counters from permanents that player controls.
Crush of Tentacles 4UUSorcery Surge {3}{U}{U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.) Return all nonland permanents to their owners' hands. If this spell's surge cost was paid, create an 8/8 blue Octopus creature token.
Spara's Bodyguard GWUCreature — Rhino Warrior When Spara's Bodyguard enters the battlefield, you may choose a creature card in your hand. If you do, it perpetually gains "This creature enters the battlefield with an additional shield counter on it." Otherwise, put a shield counter on Spara's Bodyguard. At the beginning of each combat, Spara's Bodyguard gets +1/+1 until end of turn for each shield counter among other creatures you control. 3/3
Dwarven Shrine 1RREnchantment Whenever a player casts a spell, Dwarven Shrine deals X damage to that player, where X is twice the number of cards in all graveyards with the same name as that spell.
Venerated Teacher 2UCreature — Human Wizard When Venerated Teacher enters the battlefield, put two level counters on each creature you control with level up. 2/2
Powder Keg 2Artifact At the beginning of your upkeep, you may put a fuse counter on Powder Keg. {T}, Sacrifice Powder Keg: Destroy each artifact and creature with mana value equal to the number of fuse counters on Powder Keg.
Viconia, Disciple of Rebirth 1WBLegendary Creature — Elf Cleric When this creature specializes, conjure a duplicate of target creature card exiled with this creature into your hand. The duplicate perpetually gains "You may spend mana as though it were mana of any color to cast this spell." If it has mana value 3 or less, you may put it onto the battlefield. {1}: Exile target card from a graveyard. 3/4
Page 253