Redemption Choir is a rare Creature — Vampire Cleric card from The Lost Caverns of Ixalan Commander (LCC), collector number 74. Current market price: $0.29, TCGplayer market prices via Scryfall.
Lifelink Coven — Whenever this creature enters or attacks, if you control three or more creatures with different powers, return target permanent card with mana value 3 or less from your graveyard to the battlefield.