Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight, Blasting Station, and Wakandan Royal Guard

Prerequisites

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight on the battlefield
• Blasting Station on the battlefield
• Wakandan Royal Guard on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing Wakandan Royal Guard
2. When Wakandan Royal Guard dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
3. When Wakandan Royal Guard enters, it and Blasting Station trigger
4. Resolve the Wakandan Royal Guard trigger, putting a +1/+1 counter on it Resolve the Blasting Station trigger, untapping it
5. Resolve the Blasting Station ability from step 1
6. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite damage
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control