Entomber Exarch is a uncommon Creature — Phyrexian Cleric card from Jumpstart (JMP), collector number 227. Current market price: $0.30, TCGplayer market prices via Scryfall.
When this creature enters, choose one — • Return target creature card from your graveyard to your hand. • Target opponent reveals their hand. You choose a noncreature card from it. That player discards that card.