Teshar, Ancestor's Apostle, Scrap Trawler, Sarcatog, and Tormod's Crypt

Prerequisites

• Teshar, Ancestor's Apostle on the battlefield
• Scrap Trawler in the graveyard
• Sarcatog on the battlefield
• Tormod's Crypt in hand

Steps

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

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinitely large Sarcatog until end of turn