Baj'Usno'Lei, Stalker of Stars

Trample, Devoid, Indestructible, Shroud
Cumulative upkeep—Exile a card from a graveyard.
When Baj'Usno'Lei enters the battlefield and at the beginning of each upkeep, gain control of all nonartifact colorless creatures.
Baj'Usno'Lei's power and toughness are each equal
to the number of cards in all graveyards.
"I can bring your fears to life..."