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 historic, Legal in timeless, Legal in legacy, Legal in brawl, Legal in gladiator, Legal in commander, Legal in vintage, Legal in modern, Legal in penny, Legal in duel, Legal in oathbreaker, Legal in pioneer Price: $0.16 Foil price: $0.22