Champions of Kamigawa

He Who Hungers

Flying
{1}, Sacrifice a Spirit: Target opponent reveals his or her hand. Choose a card from it. That player discards that card. Play this ability only any time you could play a sorcery.
Soulshift 4

Flying
{1}, Sacrifice a Spirit: Target opponent reveals their hand. You choose a card from it. That player discards that card. Activate only as a sorcery.
Soulshift 4 (When this creature dies, you may return target Spirit card with mana value 4 or less from your graveyard to your hand.)