Battered Golem, and Banishing Knack

Prerequisites

• Battered Golem on the battlefield
• Banishing Knack in hand
• available

Steps

1. Cast Banishing Knack by paying , targeting Battered Golem
2. Cast the artifact by paying
3. When the artifact enters the battlefield, Battered Golem triggers, untapping Battered Golem
4. Activate Battered Golem by tapping it, returning the artifact from the battlefield to your hand
5. Repeat from step 2

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control