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
Arashin Sovereign 5GWCreature — Dragon Flying When Arashin Sovereign dies, you may put it on the top or bottom of its owner's library. 6/6
Centaur Vinecrasher 3GCreature — Plant Centaur Trample Centaur Vinecrasher enters the battlefield with a number of +1/+1 counters on it equal to the number of land cards in all graveyards. Whenever a land card is put into a graveyard from anywhere, you may pay {G}{G}. If you do, return Centaur Vinecrasher from your graveyard to your hand. 1/1
Magma Burst 3RInstant Kicker—Sacrifice two lands. (You may sacrifice two lands in addition to any other costs as you cast this spell.) Magma Burst deals 3 damage to any target. If this spell was kicked, it deals 3 damage to another target.
Glistener Seer UCreature — Phyrexian Advisor Glistener Seer enters the battlefield with three oil counters on it. {T}, Remove an oil counter from Glistener Seer: Scry 1. (Look at the top card of your library. You may put that card on the bottom.) 0/3
Pistus Strike 2GInstant Destroy target creature with flying. Its controller gets a poison counter.
Paragon of Modernity 4Artifact Creature — Angel Warrior Flying {3}: Paragon of Modernity gets +1/+1 until end of turn. If exactly three colors of mana were spent to activate this ability, put a +1/+1 counter on it instead. 2/2
Undead Slayer 2WCreature — Human Cleric {W}, {T}: Exile target Skeleton, Vampire, or Zombie. 2/2
Overseer of Vault 76 2WLegendary Creature — Human Advisor First Contact — Whenever Overseer of Vault 76 or another creature with power 3 or less enters the battlefield under your control, put a quest counter on Overseer of Vault 76. At the beginning of combat on your turn, you may remove three quest counters from among permanents you control. When you do, put a +1/+1 counter on each creature you control and they gain vigilance until end of turn. 3/3
Rashmi and Ragavan 1GURLegendary Creature — Elf Monkey Whenever you cast your first spell during each of your turns, exile the top card of target opponent's library and create a Treasure token. Then you may cast the exiled card without paying its mana cost if it's a spell with mana value less than the number of artifacts you control. If you don't cast it this way, you may cast it this turn. 2/4
Seedtime 1GInstant Cast this spell only during your turn. Take an extra turn after this one if an opponent cast a blue spell this turn.
Page 275