Heart of The Demiurge

Devoid, Indestructible, Hexproof
When Heart of The Demiurge deals damage to a permanent, exile that permanent with an Eternity counter.
Heart of The Demiurge has all abilities of all
cards exiled with Eternity counters.
Heart of The Demiurge has +X/+0, where X
is the total power of all creatures exiled with
Eternity counters.