Vaatu, The Darkness Spirit

Flying, Deathtouch, Hexproof
If this creature would be removed from the battlefield and Raava, The Light Spirit is on the battlefield, Suspend 2 instead.
When you cast this creature, you may attach it to another non-legendary creature. That creature
gains Flying, Deathtouch, Hexproof, +5/+3, and
"{t}-Until end of turn, two target creatures gain
-2/-2 or lose one ability. You may activate this
ability at any time. "