Teshar, Ancestor's Apostle, Myr Retriever, Grinding Station, and Mishra's Bauble

Prerequisites

• Teshar, Ancestor's Apostle on the battlefield
• Myr Retriever on the battlefield
• Grinding Station on the battlefield
• Mishra's Bauble on the battlefield

Steps

1. Activate Mishra's Bauble by tapping and sacrificing it, looking at the top card of a player's library and drawing a card at the beginning of the next turn's upkeep
2. Activate Grinding Station by tapping it and sacrificing Myr Retriever
3. Myr Retriever triggers, returning Mishra's Bauble from your graveyard to your hand
4. Resolve the Grinding Station ability, causing target player to mill three cards
5. Cast Mishra's Bauble by paying
6. Teshar triggers, returning Myr Retriever from your graveyard to the battlefield
7. Grinding Station triggers twice, untapping itself
8. Repeat

Results

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