Suture Priest is a common Creature — Phyrexian Cleric card from New Phyrexia (NPH), collector number 25. Current market price: $2.92 (foil $23.46), TCGplayer market prices via Scryfall.
Whenever another creature you control enters, you may gain 1 life. Whenever a creature an opponent controls enters, you may have that player lose 1 life.