Selkie Hedge-Mage is a uncommon Creature — Merfolk Wizard card from Eventide (EVE), collector number 158. Current market price: $0.29 (foil $1.00), TCGplayer market prices via Scryfall.
When this creature enters, if you control two or more Forests, you may gain 3 life. When this creature enters, if you control two or more Islands, you may return target tapped creature to its owner's hand.