Zebilna, Devourer of Worlds

Menace, Trample, Protection from Red and White
When Zebilna, Devourer of Worlds transforms,
exile any number of creatures from your
graveyard with a dust counter on them. Zebilna
gains +1/+1 for each creature with a dust counter. Zebilna shares creature types with creatures exiled
with a dust counter on them.