Goldspan Dragon + Jan Jansen, Chaos Crafter + Umbral Mantle + Xorn
Goldspan Dragon
Creature — Dragon
Jan Jansen, Chaos Crafter
Legendary Creature — Gnome Artificer
Umbral Mantle
Artifact — Equipment
Xorn
Creature — Elemental
Result
- Infinite artifact ETB
- Infinite artifact LTB
- Infinite artifact sacrifice triggers
- Infinite artifact tokens
- Infinite creature ETB
- Infinite creature LTB
- Infinite Treasure tokens
- Infinite colored mana
- Infinite creature tokens
- Infinite death triggers
- Infinite mana creatures you control can produce
- Infinite creature sacrifice triggers
- Infinite untap of creatures you control
- Infinitely large creature until end of turn
Combo data from Commander Spellbook.