Moritte of the Frost, and Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight

Prerequisites

• Moritte of the Frost in hand
• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
• available

Steps

1. Cast Moritte by paying
2. Choose to have it enter as a copy of Isilu
3. Put Moritte into your graveyard due to the legend rule
4. When it dies, its persist ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it due to its ability
5. Choose to have it enter as a copy of Isilu
6. Repeat step 2

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers