Commander Liara Portyr, Appa, Steadfast Guardian, and Wispweaver Angel

Prerequisites

• Commander Liara Portyr on the battlefield
• Appa, Steadfast Guardian in hand
• Wispweaver Angel on the battlefield
• available

Steps

1. Declare two creatures as attackers, ensuring to attack two different opponents
2. Commander Liara Portyr triggers, causing spells you cast from exile this turn to cost less to cast
3. Cast Appa by paying its mana cost
4. When Appa enters, it triggers, exiling Wispweaver Angel with the ability to cast it from exile later
5. Cast Wispweaver Angel from exile by paying due to Commander Liara Portyr
6. When Wispweaver Angel enters, it triggers, blinking Appa Repeat from step 3

Results

• Infinite LTB
• Infinite ETB
• Infinite storm count
• Infinite creature tokens
• Infinite blinking of nonland permanents you control