He Who Hungers is a rare Legendary Creature — Spirit card from Champions of Kamigawa (CHK), collector number 114. Current market price: $0.64 (foil $5.00), TCGplayer market prices via Scryfall.
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.)