Autonomous Assembler - Promo Pack Tweet Moderately Played, limit 6 $0.01 / $0.01 credit Buy This Product Details Card Number: 034/287 Card Type: Artifact Creature - Assemble-Worker Rarity: P Card Text: Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) [1W] Vigilance 1, T: Put a +1/+1 counter on target Assembly-Worker you control. Color: Artifact Finish: Regular Name: Siege Veteran Set Name: Promo Pack: The Brothers' War Cost: 5 Pow/Tgh: 2/2 // 4/5