Aethergeode Miner, Aetherstorm Roc, and Blessed Sanctuary

Prerequisites

• Aethergeode Miner on the battlefield
• Aetherstorm Roc on the battlefield
• Blessed Sanctuary on the battlefield
• You have at least two energy counters

Steps

1. Activate Aethergeode Miner by paying , blinking it
2. Aethergeode Miner enters the battlefield, triggering Aetherstorm Roc and Blessed Sanctuary
3. Resolve the Blessed Sanctuary trigger, creating a 2/2 Unicorn creature token
4. The Unicorn enters the battlefield, triggering Aetherstorm Roc
5. Resolve both Aetherstorm Roc triggers, causing you to get
6. Repeat

Results

• Infinite creature tokens
• Infinite ETB
• Infinite LTB