Card Codex

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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
Neutralizing Blast 1UInstant Counter target multicolored spell.
Error UBInstant Counter target multicolored spell.
Defabricate 1UInstant Choose one — • Counter target artifact or enchantment spell. If a spell is countered this way, exile it instead of putting it into its owner's graveyard. • Counter target activated or triggered ability.
Bane's Contingency 1UUInstant Counter target spell. If that spell targets a commander you control, instead counter that spell, scry 2, then draw a card.
Corrupted Resolve 1UInstant Counter target spell if its controller is poisoned.
Gainsay 1UInstant Counter target blue spell.
Traumatic Visions 3UUInstant Counter target spell. Basic landcycling {1}{U} ({1}{U}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)
Scatter to the Winds 1UUInstant Counter target spell. Awaken 3—{4}{U}{U} (If you cast this spell for {4}{U}{U}, also put three +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)
Sinister Sabotage 1UUInstant Counter target spell. Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
Artifact Blast RInstant Counter target artifact spell.
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