Scrap Trawler + Teshar, Ancestor's Apostle + Urza's Bauble + Yahenni, Undying Partisan
Scrap Trawler
Artifact Creature — Construct
Teshar, Ancestor's Apostle
Legendary Creature — Bird Cleric
Urza's Bauble
Artifact
Yahenni, Undying Partisan
Legendary Creature — Aetherborn Vampire
Result
- Infinite artifact ETB
- Infinite artifact LTB
- Infinite artifact sacrifice triggers
- Infinite creature LTB
- Infinite creature ETB
- Infinite creature sacrifice triggers
- Infinite death triggers
- Infinite storm count
- Infinite card draw at the beginning of the next upkeep
- Infinite draw triggers at the beginning of the next upkeep
Combo data from Commander Spellbook.