Mirran Spy, Banishing Knack, and Memnite

Prerequisites

• Mirran Spy on the battlefield
• Banishing Knack in hand
• Memnite on the battlefield
• available

Steps

1. Cast Banishing Knack by paying , targeting Mirran Spy
2. Activate Mirran Spy by tapping it, returning Memnite from the battlefield to your hand
3. Cast Memnite by paying
4. Mirran Spy triggers, untapping itself
5. Repeat from step 2

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count