Name: Mysterious Egg Cost: 1 CMC: 1 Color: CID: Type: Creature -- Egg Pow/Tgh: 0/2 Rules Text: Whenever this creature mutates, put a +1/+1 counter on it. Set/Rarity: Magic Online Promos common, Ikoria: Lair of Behemoths common Legality: Legal in paupercommander, Legal in pauper, Legal in duel, Legal in modern, Legal in historic, Legal in oathbreaker, Legal in vintage, Legal in gladiator, Legal in pioneer, Legal in legacy, Legal in brawl, Legal in timeless, Legal in commander Price: $0.20 Foil price: $0.28