C'Thun, the Shattered

C'Thun, the Shattered enters the battlefield with four part counters on it. Once per turn you may {t} this creature and remove a counter from it. choose one, they can't be chosen again.
• Eye of C'Thun
• Body of C'Thun
• Heart of C'Thun
{bull} Maw of C'Thun

On your upkeep if C'Thun, the Shattered has no part counters on it, transform it.
Indestructible