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 rare, The Brothers' War Promos rare Set Code: PRM-R, BRO-R, PBRO-R Legality: Legal in penny, Legal in vintage, Legal in duel, Legal in pioneer, Legal in gladiator, Legal in timeless, Legal in modern, Legal in historic, Legal in oathbreaker, Legal in commander, Legal in legacy, Legal in brawl Price: $0.16 Foil price: $0.23