Klauth, Unrivaled Ancient

Klauth, Unrivaled Ancient

Legendary Creature — Dragon

Flying, hasteWhenever Klauth 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.

4/4

Ware the darkening sky and the great red wing; he does not suffer competition.