Wellspring is a rare Enchantment — Aura card from Mirage (MIR), collector number 288. Current market price: $1.23, TCGplayer market prices via Scryfall.
Enchant land When this Aura enters, gain control of enchanted land until end of turn. At the beginning of your upkeep, untap enchanted land. You gain control of that land until end of turn.