Basri's Acolyte is a common Creature — Cat Cleric card from Foundations Jumpstart (J25), collector number 170. Current market price: $0.17, TCGplayer market prices via Scryfall.
Lifelink (Damage dealt by this creature also causes you to gain that much life.) When this creature enters, put a +1/+1 counter on each of up to two other target creatures you control.