Grinding Station + Scrap Trawler + Teshar, Ancestor's Apostle + Urza's Bauble

W identity

Commander legal

The 4 combo pieces

• Grinding Station
• Scrap Trawler
• Teshar, Ancestor's Apostle
• Urza's Bauble

How to execute it

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

What the combo produces

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