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 commander, Legal in pioneer, Legal in gladiator, Legal in brawl, Legal in penny, Legal in historic, Legal in duel, Legal in modern, Legal in vintage, Legal in legacy, Legal in oathbreaker, Legal in timeless, Legal in competitivebrawl Price: $0.16 Foil price: $0.23