Eerie Soultender is a common Creature — Spirit Cleric card from Foundations Jumpstart (J25), collector number 431. Current market price: $0.28, TCGplayer market prices via Scryfall.
When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.) {4}{B}, Exile this card from your graveyard: Return another target creature card from your graveyard to your hand.