Dekrus, Thief of Wills

Possess {3}{w}{u}{b} (You may pay this card's possess
cost and exile it from your hand. When you do, gain
control of target non-Spirit creature.)
Flying, lifelink, deathtouch
Sacrifice a possessed creature you control:
Return this card from exile to your hand.
If you hear a whisper in the middle of the night, it's
too late.