Brinelin, the Moon Kraken, and Mycosynth Golem

Prerequisites

• Brinelin, the Moon Kraken on the battlefield
• Mycosynth Golem on the battlefield
• You have an artifact creature card in hand with mana value six or greater that can be cast for due to Mycosynth Golem
• You control at least eleven artifacts

Steps

1. Cast the artifact creature from your hand by paying
2. Brinelin triggers, returning Mycosynth Golem from the battlefield to your hand
3. Cast Mycosynth Golem by paying
4. Brinelin triggers, returning the other artifact creature from the battlefield to your hand
5. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count