Steelfin Whale, Retraction Helix, and Shield Sphere

Prerequisites

• Steelfin Whale on the battlefield
• Retraction Helix in hand
• Shield Sphere on the battlefield
• Steelfin Whale does not have summoning sickness
• available

Steps

1. Cast Retraction Helix by paying , targeting Steelfin Whale
2. Activate Steelfin Whale by tapping it, returning Shield Sphere from the battlefield to your hand
3. Cast Shield Sphere by paying
4. When Shield Sphere enters the battlefield, Steelfin Whale triggers, untapping Steelfin Whale
5. Repeat from step 2

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count