The Aetherwake

Equip {u}
When equipped creature deals combat damage to a creature, return that creature to its owner's hand at end of turn.
{u}: If equipped creature deals combat damage to a player this turn, return target creature an opponent controls to its owner's hand. Unequip.
Remember this then...thyself, must either be dissolved, or thy poor breath must be extinguished -Antoninus, Meditations