Boon Satyr is a rare Enchantment Creature — Satyr card from Theros (THS), collector number 152. Current market price: $0.23 (foil $0.69), TCGplayer market prices via Scryfall.
Flash Bestow {3}{G}{G} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.) Enchanted creature gets +4/+2.