Plague Wind [Tenth Edition] Swamp Mountain you may pay {4}

you may pay {4}

Then that player or that permanent's controller may pay {R}{R}

Set: Portal Three Kingdoms Type: Creature — Human Barbarian Soldier Rarity: Uncommon Cost: {4}{R} Horsemanship (This creature can't be blocked except by creatures with horsemanship

Set: Magic 2014 Type: Instant Rarity: Rare Cost: {W} Your opponents can't cast spells this turn

Set: Fate Reforged Promos Type: Instant Rarity: Rare Cost: {4}{U}{U} Return target creature to its owner's hand

Plague Wind [Tenth Edition] Swamp Mountain you may pay {4}Set: Tenth Edition Type: Sorcery Rarity: Rare Cost: {7}{B}{B} Destroy all creatures you don't control. They can't be regenerated.