Teshar, Ancestor's Apostle, Blasting Station, and Kor Skyfisher

Prerequisites

• Teshar, Ancestor's Apostle on the battlefield
• Blasting Station on the battlefield
• Kor Skyfisher in the graveyard

Steps

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

Results

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