Teshar, Ancestor's Apostle, Myr Retriever, Blasting Station, and Welding Jar

Prerequisites

• Teshar, Ancestor's Apostle on the battlefield
• Myr Retriever on the battlefield
• Blasting Station on the battlefield
• Welding Jar on the battlefield

Steps

1. Activate Welding Jar by sacrificing it
2. Activate Blasting Station by tapping it and sacrificing Myr Retriever
3. Myr Retriever triggers, returning Welding Jar from your graveyard to your hand
4. Resolve the Blasting Station ability, dealing 1 damage to any target
5. Cast Welding Jar by paying
6. Teshar triggers, returning Myr Retriever from your graveyard to the battlefield
7. Blasting Station triggers, untapping itself
8. Repeat

Results

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