Steelfin Whale, Banishing Knack, and Shield Sphere

Prerequisites

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

Steps

1. Cast Banishing Knack 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. Shield Sphere enters the battlefield, triggering Steelfin Whale, untapping Steelfin Whale
5. Repeat from step 2

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count