Teshar, Ancestor's Apostle, Myr Retriever, Blasting Station, and Urza's Bauble

Prerequisites

• Teshar, Ancestor's Apostle on the battlefield
• Myr Retriever on the battlefield
• Blasting Station on the battlefield
• Urza's Bauble on the battlefield

Steps

1. Activate Urza's Bauble by tapping and sacrificing it, looking at a random card in target player's hand and drawing a card at the beginning of the next turn's upkeep
2. Activate Blasting Station by tapping it and sacrificing Myr Retriever
3. Myr Retriever triggers, returning Urza's Bauble from your graveyard to your hand
4. Resolve the Blasting Station ability, dealing 1 damage to any target
5. Cast Urza's Bauble by paying
6. Teshar triggers, returning Myr Retriever from your graveyard to the battlefield
7. Blasting Station triggers, untapping itself
8. Repeat

Results

• Infinite card draw at the beginning of the next upkeep step
• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count