Agatha's Soul Cauldron + Kiki-Jiki, Mirror Breaker + Lurking Roper + Prosperous Innkeeper
Agatha's Soul Cauldron
Legendary Artifact
Kiki-Jiki, Mirror Breaker
Legendary Creature — Goblin Shaman
Lurking Roper
Creature — Horror
Prosperous Innkeeper
Creature — Halfling Citizen
Result
- Infinite artifact ETB
- Infinite artifact LTB
- Infinite artifact sacrifice triggers
- Infinite artifact tokens
- Infinite colored mana
- Infinite copies of most creatures you control with haste
- Infinite creature tokens with haste
- Infinite death triggers
- Infinite creature ETB
- Infinite lifegain
- Infinite lifegain triggers
- Infinite creature LTB
- Infinite creature sacrifice triggers
- Infinite Treasure tokens
Combo data from Commander Spellbook.