Assert Authority

Mana cost

{5}{U}{U}

Type

Instant

Set

Mirrodin #30 (uncommon)

Price

$0.26 USD

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.

Legality

• commander: legal
• legacy: legal
• vintage: legal
• pauper: not legal
• modern: legal
• pioneer: not legal
• standard: not legal
• brawl: not legal