Urasil, Nature's Opus

Devoid
As Urasil, Nature's Opus enters the battlefield,
you may exile any number of creatures you
control and/or any number of cards in your
graveyard. If you do, it enters with that many
+1/+1 counters on it.
At the beginning of your upkeep, create X 2/2 colorless husks creature tokens where X is the
number of +1/+1 counter on Urasil, Nature's
Opus.