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
Perilous Vault 4Artifact {5}, {T}, Exile Perilous Vault: Exile all nonland permanents.
Narcomoeba 1UCreature — Illusion Flying When Narcomoeba is put into your graveyard from your library, you may put it onto the battlefield. 1/1
Hankyu 1Artifact — Equipment Equipped creature has "{T}: Put an aim counter on Hankyu" and "{T}, Remove all aim counters from Hankyu: This creature deals damage to any target equal to the number of aim counters removed this way." Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.)
Benevolent Unicorn 1WCreature — Unicorn If a spell would deal damage to a permanent or player, it deals that much damage minus 1 to that permanent or player instead. 1/2
Promise of Loyalty 4WSorcery Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it.
Ravenous Squirrel B/GCreature — Squirrel Whenever you sacrifice an artifact or creature, put a +1/+1 counter on Ravenous Squirrel. {1}{B}{G}, Sacrifice an artifact or creature: You gain 1 life and draw a card. 1/1
Banish from Edoras 4WSorcery This spell costs {2} less to cast if it targets a tapped creature. Exile target creature.
Quicksand Whirlpool 5WInstant This spell costs {3} less to cast if it targets a tapped creature. Exile target creature.
Control Win Condition 4UUCreature — Whale This spell can't be countered. Shroud Control Win Condition's power and toughness are each equal to the number of turns you've taken this game. (If this is in your deck, please keep track of your turns. This means you, Mark.) */*
Stonebinder's Familiar WCreature — Spirit Dog Whenever one or more cards are put into exile during your turn, put a +1/+1 counter on Stonebinder's Familiar. This ability triggers only once each turn. 1/1
Page 223