Assert Authority - Mirrodin - Uncommon
Available: 4
Lowest Regular: $0.25
Foil-Mid: $3.28
Avail: 4
Low Reg: $0.25
Foil-Mid: $3.28
Description
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.