Koma's Faithful is a common Creature — Elf Cleric card from Foundations Jumpstart (J25), collector number 457. Current market price: $0.18, TCGplayer market prices via Scryfall.
Lifelink (Damage dealt by this creature also causes you to gain that much life.) When this creature dies, each player mills three cards. (They each put the top three cards of their library into their graveyard.)