Teshar, Ancestor's Apostle, Blasting Station, and Mirkwood Nurturer

Prerequisites

• Teshar, Ancestor's Apostle on the battlefield
• Blasting Station on the battlefield
• Mirkwood Nurturer in the graveyard

Steps

1. Cast an artifact in your hand by paying
2. Teshar triggers, returning Mirkwood Nurturer from your graveyard to the battlefield
3. When Mirkwood Nurturer enters, it and Blasting Station trigger
4. Resolve the Blasting Station trigger, untapping it
5. Resolve the Mirkwood Nurturer trigger, returning another artifact that can be cast for from the battlefield to your hand
6. Resolve the artifact spell cast in step 1
7. Activate Blasting Station by tapping it and sacrificing Mirkwood Nurturer Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite damage
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite storm count