Patron of the Wild is a common Creature — Elf card from Legions (LGN), collector number 134. Current market price: $0.11 (foil $0.54), TCGplayer market prices via Scryfall.
Morph {2}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turned face up, target creature gets +3/+3 until end of turn.