Banishing Knack, Midnight Guard, and Phyrexian Walker

Prerequisites

• Banishing Knack in hand
• Midnight Guard on the battlefield
• Phyrexian Walker on the battlefield
• available

Steps

1. Cast Banishing Knack by paying , targeting Midnight Guard
2. Activate Midnight Guard by tapping it, returning Phyrexian Walker to your hand
3. Cast Phyrexian Walker by paying
4. When Phyrexian Walker enters, Midnight Guard triggers, untapping Midnight Guard
5. Repeat from step 2

Results

• Infinite LTB
• Infinite ETB
• Infinite storm count