Teshar, Ancestor's Apostle, Scrap Trawler, Krark-Clan Ironworks, and Delif's Cone

Prerequisites

• Teshar, Ancestor's Apostle on the battlefield
• Scrap Trawler in the graveyard
• Krark-Clan Ironworks on the battlefield
• Delif's Cone in hand

Steps

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

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite colorless mana
• Infinite storm count