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
Gustha's Scepter 0Artifact {T}: Exile a card from your hand face down. You may look at it for as long as it remains exiled. {T}: Return a card you own exiled with Gustha's Scepter to your hand. When you lose control of Gustha's Scepter, put all cards exiled with Gustha's Scepter into their owner's graveyard.
Tale's End 1UInstant Counter target activated ability, triggered ability, or legendary spell.
Blur of Blades 1RInstant Put a -1/-1 counter on target creature. Blur of Blades deals 2 damage to that creature's controller.
Trawler Drake 2UCreature — Phyrexian Drake Flying Trawler Drake enters the battlefield with an oil counter on it. Trawler Drake gets +1/+1 for each oil counter on it. Whenever you cast a noncreature spell, put an oil counter on Trawler Drake. 0/0
Valkmira, Protector's Shield 3WLegendary Artifact If a source an opponent controls would deal damage to you or a permanent you control, prevent 1 of that damage. Whenever you or another permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}.
Phyrexian Scriptures 2BBEnchantment — Saga (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Put a +1/+1 counter on up to one target creature. That creature becomes an artifact in addition to its other types. II — Destroy all nonartifact creatures. III — Exile all opponents' graveyards.
Magma Mine 1Artifact {4}: Put a pressure counter on Magma Mine. {T}, Sacrifice Magma Mine: It deals damage equal to the number of pressure counters on it to any target.
Rebel Informer 2BCreature — Human Mercenary Rebel Rebel Informer can't be the target of white spells or abilities from white sources. {3}: Put target nontoken Rebel on the bottom of its owner's library. 1/2
Jade Guardian 3GCreature — Merfolk Shaman Hexproof (This creature can't be the target of spells or abilities your opponents control.) When Jade Guardian enters the battlefield, put a +1/+1 counter on target Merfolk you control. 2/2
Beacon of Unrest 3BBSorcery Put target artifact or creature card from a graveyard onto the battlefield under your control. Shuffle Beacon of Unrest into its owner's library.
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