My Crushing Masterstroke (Schemes) [Archenemy Schemes] Mountain counter it unless that player

counter it unless that player pays {4}

Set: International Collectors' Edition Type: Instant Rarity: Common Cost: {1}{W} Destroy target artifact or enchantment

(They cost 1 less to cast for each artifact creature you control that wasn't originally an artifact creature

sacrifice Masticore unless you discard a card

Set: Beta Edition Type: Instant Rarity: Common Cost: {R} Cast this spell only during the declare blockers step

My Crushing Masterstroke (Schemes) [Archenemy Schemes] Mountain counter it unless that playerSet: Archenemy Schemes Type: Scheme Rarity: Common When you set this scheme in motion, gain control of all nonland permanents your opponents control until end of turn. Untap those permanents. They gain haste until end of turn. Each of them attacks its owner this turn if able.