Sarinth Greatwurm [The Brothers' War Prerelease Promos]

Set: The Brothers' War Prerelease Promos Type: Creature — Wurm Rarity: Mythic Cost: {4}{R}{G} TrampleWhenever a land enters the battlefield, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") It felt the rumblings of war and uncoiled itself from the depths of the world.