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
Nimble Obstructionist 2UCreature — Bird Wizard Flash Flying Cycling {2}{U} ({2}{U}, Discard this card: Draw a card.) When you cycle Nimble Obstructionist, counter target activated or triggered ability you don't control. 3/1
Homestead Courage WSorcery Put a +1/+1 counter on target creature you control. It gains vigilance until end of turn. Flashback {W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Repel Intruders 3W/UInstant Create two 1/1 white Kithkin Soldier creature tokens if {W} was spent to cast this spell. Counter up to one target creature spell if {U} was spent to cast this spell. (Do both if {W}{U} was spent.)
Graven Abomination 3Artifact Creature — Horror Whenever Graven Abomination attacks, exile target card from defending player's graveyard. 3/1
Golden Wish 3WWSorcery You may reveal an artifact or enchantment card you own from outside the game and put it into your hand. Exile Golden Wish.
Untamed Pup Creature — Werewolf Trample Other Wolves and Werewolves you control have trample. {3}{G}: Put a +1/+1 counter on target creature. Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.) 4/4
Divine Smite 1WInstant Target creature or planeswalker an opponent controls phases out. If that permanent is black, exile it instead. (If it phases out, treat it and anything attached to it as though they don't exist until its controller's next turn.)
Malamet Veteran 4GCreature — Cat Warrior Trample Descend 4 — Whenever Malamet Veteran attacks, if there are four or more permanent cards in your graveyard, put a +1/+1 counter on target creature. 5/4
Kami of Whispered Hopes 2GCreature — Spirit If one or more +1/+1 counters would be put on a permanent you control, that many plus one +1/+1 counters are put on that permanent instead. {T}: Add X mana of any one color, where X is Kami of Whispered Hopes's power. 1/1
Lazav, Familiar Stranger 1UBLegendary Creature — Shapeshifter Whenever you commit a crime, put a +1/+1 counter on Lazav, Familiar Stranger. Then you may exile a card from a graveyard. If a creature card was exiled this way, you may have Lazav become a copy of that card until end of turn. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.) 1/4
Page 153