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 Set Code: PRM-R, PBRO-R, BRO-R Legality: Legal in penny, Legal in legacy, Legal in pioneer, Legal in gladiator, Legal in vintage, Legal in modern, Legal in timeless, Legal in brawl, Legal in oathbreaker, Legal in commander, Legal in historic, Legal in duel Price: $0.13 Foil price: $0.16