Teshar, Ancestor's Apostle, Scrap Trawler, Urza's Bauble, and Bartolomé del Presidio

Prerequisites

• Teshar, Ancestor's Apostle on the battlefield
• Scrap Trawler in the graveyard
• Urza's Bauble in hand
• Bartolomé del Presidio on the battlefield

Steps

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

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count
• Infinite card draw at the beginning of the next upkeep step
• Infinite draw triggers at the beginning of the next upkeep step
• Infinite +1/+1 counters on Bartolomé del Presidio