Shelinda, Yevon Acolyte is a rare Legendary Creature — Human Cleric card from Final Fantasy Commander (FIC), collector number 184. Current market price: $0.43 (foil $2.70), TCGplayer market prices via Scryfall.
Lifelink Whenever another creature you control enters, put a +1/+1 counter on that creature if its power is less than Shelinda's power. Otherwise, put a +1/+1 counter on Shelinda.