Koma, World-Eater (Borderless) (Mana Foil) [Foundations] Bahamut if that spell's mana cost

if that spell's mana cost or that ability's activation cost contains {X}

Set: Exodus Type: Artifact Rarity: Rare Cost: {2} Spells cost {1} more to cast

Set: Commander 2014 Type: Instant Rarity: Rare Cost: {1}{U} Return target nonland permanent you don't control to its owner's hand

reveal the top ten cards of your library

Whenever equipped creature deals combat damage to an opponent

Koma, World-Eater (Borderless) (Mana Foil) [Foundations] Bahamut if that spell's mana costSet: Foundations Type: Legendary Creature Serpent Rarity: Rare Cost: {3}{G}{G}{U}{U} This spell can't be countered. Trample, ward {4} Whenever Koma deals combat damage to a player, create four 3 3 blue Serpent creature tokens named Koma's Coil. Some called him a monster. Others called him a god. All who beheld him knew his power.