Boommobile + Crab Umbra + Kiki-Jiki, Mirror Breaker
Boommobile
Artifact — Vehicle
Crab Umbra
Enchantment — Aura
Kiki-Jiki, Mirror Breaker
Legendary Creature — Goblin Shaman
Result
- Infinite creature LTB
- Infinite creature ETB
- Infinite creature sacrifice triggers
- Infinite death triggers
- Infinite damage
- Infinite creature tokens with haste
- Infinite colored mana that can only be spent to activate abilities
- Infinite copies of most creatures you control with haste
- Infinite +1/+1 counters on an infinite number of creature tokens
Combo data from Commander Spellbook.