Cogwork Assembler, Thran Dynamo, Training Grounds, and Doubling Season

Prerequisites

• Cogwork Assembler on the battlefield
• Thran Dynamo on the battlefield
• Training Grounds on the battlefield
• Doubling Season on the battlefield
• available

Steps

1. Activate Thran Dynamo by tapping it, adding
2. Activate Cogwork Assembler by paying , creating two token copies of Thran Dynamo
3. Activate the token Thran Dynamos by tapping them, adding six
4. Repeat from step 2

Results

• Infinite colorless mana
• Infinite copies of artifacts you control
• Infinite creature tokens with haste
• Infinite ETB