Assert Authority {5}{U}{U}

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.

Illustrated by Greg Hildebrandt

Standard
Brawl
Pioneer
Historic
Modern
Pauper
Legacy
Penny
Vintage
Commander