Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, and Arcbound Mouser

Prerequisites

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
• Arcbound Mouser on the battlefield

Steps

1. Kill Arcbound Mouser
2. When Arcbound Mouser dies, its persist ability triggers, returning Arcbound Mouser from your graveyard to the battlefield
3. It will have no counters on it due to its modular ability
4. Arcbound Mouser dies as a state-based action due to having 0 toughness Repeat from step 2

Results

• Infinite LTB
• Infinite ETB
• Infinite death triggers
• Draw the game