Retraction Helix, Midnight Guard, and Ornithopter

Prerequisites

• Retraction Helix in hand
• Midnight Guard on the battlefield
• Ornithopter on the battlefield
• available

Steps

1. Cast Retraction Helix targeting Midnight Guard
2. Tap Midnight Guard, returning Ornithopter to your hand
3. Recast Ornithopter
4. On ETB, Midnight Guard triggers, untapping itself

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count