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 timeless, Legal in commander, Legal in historic, Legal in brawl, Legal in vintage, Legal in pioneer, Legal in penny, Legal in oathbreaker, Legal in duel, Legal in gladiator, Legal in modern, Legal in legacy Price: $0.15 Foil price: $0.21