Name: Autonomous Assembler Cost: 5 CMC: 5 Color: CID: W Type: Artifact Creature -- Assembly-Worker Pow/Tgh: 4/5 Rules Text: Prototype {1}{W} -- 2/2 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Vigilance {1}, {T}: Put a +1/+1 counter on target Assembly-Worker you control. Set/Rarity: Magic Online Promos rare, The Brothers' War Promos rare, The Brothers' War rare Legality: Legal in commander, Legal in historic, Legal in legacy, Legal in penny, Legal in timeless, Legal in gladiator, Legal in brawl, Legal in modern, Legal in pioneer, Legal in duel, Legal in vintage, Legal in oathbreaker Price: $0.09 Foil price: $0.12