Appa, Steadfast Guardian, Icewind Stalwart, and Heliod, the Radiant Dawn // Heliod, the Warped Eclipse

Prerequisites

• Appa, Steadfast Guardian in hand
• Icewind Stalwart in hand
• Heliod, the Radiant Dawn // Heliod, the Warped Eclipse on the battlefield
• available

Steps

1. Cast Appa by paying When Appa enters, its first ability triggers, exiling Icewind Stalwart with the ability to cast it later from exile
2. Cast Icewind Stalwart from exile by paying
3. Appa's second ability triggers, creating a 1/1 Ally creature token
4. When Icewind Stalwart enters, it triggers, blinking Appa
5. Repeat from step 2

Results

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