Assert Authority (Mirrodin #30)

$0.98
mtg.mrd.30.nonfoil
10 item(s)
+
Card Name: Assert Authority
Set Name: Mirrodin
Set Code: mrd
Collector Number: 30
Finish: nonfoil
Release Date: 2003-10-02
Mana Cost: {5}{U}{U}
Type: Instant
Oracle Text: 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.
Rarity: uncommon