He Who Hungers  (5) 
Legendary Creature — Spirit (3/2)
Flying
, Sacrifice a Spirit: Target opponent reveals their hand. You choose a card from it. That player discards that card. Activate this ability only any time you could cast a sorcery.
Soulshift 4 (When this creature dies, you may return target Spirit card with converted mana cost 4 or less from your graveyard to your hand.)