Cogwork Assembler, Boommobile, and Bard, King of Dale

Prerequisites

• Cogwork Assembler on the battlefield
• Boommobile on the battlefield
• Bard, King of Dale on the battlefield
• available

Steps

1. Activate Cogwork Assembler by paying , creating two token copies of Boommobile
2. When the Boommobile tokens enter the battlefield, they trigger, adding that can only be spent to activate abilities
3. Repeat

Results

• Infinite colored mana that can only be spent to activate abilities
• Infinite copies of artifacts you control
• Infinite damage