Teshar, Ancestor's Apostle, Scrap Trawler, Mishra's Bauble, and Thermopod

Prerequisites

• Teshar, Ancestor's Apostle on the battlefield
• Scrap Trawler in the graveyard
• Mishra's Bauble in hand
• Thermopod on the battlefield

Steps

1. Cast Mishra's Bauble by paying its mana cost
2. Teshar triggers, returning Scrap Trawler from your graveyard to the battlefield
3. Activate Mishra's Bauble by tapping and sacrificing it
4. Activate Thermopod by sacrificing Scrap Trawler
5. When Scrap Trawler dies, it triggers, returning Mishra's Bauble from your graveyard to your hand
6. Repeat

Results

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