Scrap Trawler + Teshar, Ancestor's Apostle + Urza's Bauble + Yahenni, Undying Partisan

WB identity

Commander legal

The 4 combo pieces

• Scrap Trawler
• Teshar, Ancestor's Apostle
• Urza's Bauble
• Yahenni, Undying Partisan

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. Activate Urza's Bauble by tapping and sacrificing it.
4. Activate Yahenni by sacrificing Scrap Trawler.
5. When Scrap Trawler dies, it triggers, returning Urza's Bauble from your graveyard to your hand.
6. Resolve the Yahenni ability.
7. 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 sacrifice triggers
• Infinite storm count