Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Lithatog, and Thopter Squadron

Prerequisites

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
• Lithatog on the battlefield
• Thopter Squadron on the battlefield

Steps

1. Activate Lithatog by sacrificing Thopter Squadron
2. When Thopter Squadron dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect
3. Resolve the Lithatog ability
4. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers
• Infinitely large creature until end of turn