Appa, Steadfast Guardian, Sage of the Beyond, and Appa, Loyal Sky Bison

Prerequisites

• Appa, Steadfast Guardian in hand
• Sage of the Beyond on the battlefield
• Appa, Loyal Sky Bison on the battlefield
• available

Steps

1. Cast Appa by paying
2. When Appa enters, it triggers, airbending Appa
3. Cast Appa from exile by paying
4. Appa triggers, creating a 1/1 Ally creature token
5. When Appa enters, it triggers, airbending Appa
6. Cast Appa from exile by paying
7. Repeat from step 2

Results

• Infinite LTB
• Infinite ETB
• Infinite storm count
• Infinite creature tokens