Multiform Wonder is a rare Artifact Creature — Construct card from Kaladesh (KLD), collector number 223. Current market price: $0.29 (foil $0.32), TCGplayer market prices via Scryfall.
When this creature enters, you get {E}{E}{E} (three energy counters). Pay {E}: This creature gains your choice of flying, vigilance, or lifelink until end of turn. Pay {E}: This creature gets +2/-2 or -2/+2 until end of turn.