Metalworker, and Cogwork Assembler

Prerequisites

• Metalworker on the battlefield
• Cogwork Assembler on the battlefield
• You have at least four artifact cards in hand
• Metalworker does not have summoning sickness

Steps

1. Activate Metalworker by tapping it, causing you to reveal at least four artifact cards in your hand and add at least eight
2. Activate Cogwork Assembler by paying , creating a token copy of Metalworker with haste
3. Repeat
4. At the beginning of your end step, Cogwork Assembler triggers, causing you to exile all Metalworker tokens

Results

• Infinite colorless mana
• Infinite creature tokens with haste
• Infinite ETB
• Infinite LTB