Assert Authority

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.

Counter Exile

Counter + Exile

Counter Artifact

Counter Spell

Counters

Graveyard Hate

Hate

Format Playability
Standard Unplayed
Modern Unplayed
Legacy Unplayed
Commander Staple 24 Decks
Vintage Unplayed
Pauper Unplayed
Vintage Cube Not in Cube
Legacy Cube Not in Cube
Modern Cube Not in Cube
Sets USD
MRD U Mirrodin $ 0.09

Recent Commander Decks