Loxodon Hierarch is a rare Creature — Elephant Cleric card from Ravnica: City of Guilds (RAV), collector number 214. Current market price: $0.31 (foil $2.99), TCGplayer market prices via Scryfall.
When this creature enters, you gain 4 life. {G}{W}, Sacrifice this creature: Regenerate each creature you control.