Klauth, Unrivaled Ancient

Set: The List Reprints (#050/062)

Rarity: Mythic

Type: Legendary Creature — Dragon

Mana Cost: {5}{R}{G}

Colors: Green, Red

P/T: 4/4

Flying, haste Whenever Klauth, Unrivaled Ancient attacks, add X mana in any combination of colors, where X is the total power of attacking creatures. Spend this mana only to cast spells. Until end of turn, you don't lose this mana as steps and phases end.