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
Wildwood Scourge XGCreature — Hydra Wildwood Scourge enters the battlefield with X +1/+1 counters on it. Whenever one or more +1/+1 counters are put on another non-Hydra creature you control, put a +1/+1 counter on Wildwood Scourge. 0/0
Generous Patron 2GCreature — Elf Advisor When Generous Patron enters the battlefield, support 2. (Put a +1/+1 counter on each of up to two other target creatures.) Whenever you put one or more counters on a creature you don't control, draw a card. 1/4
Offalsnout 2BCreature — Elemental Flash When Offalsnout leaves the battlefield, exile target card from a graveyard. Evoke {B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.) 2/2
Eldrazi Displacer 2WCreature — Eldrazi Devoid (This card has no color.) {2}{C}: Exile another target creature, then return it to the battlefield tapped under its owner's control. ({C} represents colorless mana.) 3/3
Crypt Cobra 3BCreature — Snake Whenever Crypt Cobra attacks and isn't blocked, defending player gets a poison counter. (A player with ten or more poison counters loses the game.) 3/3
Eutropia the Twice-Favored 1GULegendary Creature — Human Wizard Constellation — Whenever an enchantment enters the battlefield under your control, put a +1/+1 counter on target creature. That creature gains flying until end of turn. 2/2
Durable Handicraft 1GEnchantment Whenever a creature enters the battlefield under your control, you may pay {1}. If you do, put a +1/+1 counter on that creature. {5}{G}, Sacrifice Durable Handicraft: Put a +1/+1 counter on each creature you control.
Glint Raker 3UCreature — Drake Flying Glint Raker gets +X/+0, where X is the highest mana value among artifacts you control. Whenever Glint Raker deals combat damage to a player, you may reveal that many cards from the top of your library. Put an artifact card revealed this way into your hand and the rest into your graveyard. 1/3
Mirran Spy 2UCreature — Drone Flying Whenever you cast an artifact spell, you may untap target creature. 1/3
Elder Owyn Lyons 2WULegendary Creature — Human Knight Artifacts you control have ward {1}. (Whenever an artifact you control becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.) When Elder Owyn Lyons enters the battlefield or dies, return target artifact card from your graveyard to your hand. 3/3
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