Altar of Dementia + Crystalline Crawler + Power Depot + The Earth Crystal + Toph, Greatest Earthbender
Altar of Dementia
Artifact
Crystalline Crawler
Artifact Creature — Construct
Power Depot
Artifact Land
The Earth Crystal
Legendary Artifact
Toph, Greatest Earthbender
Legendary Creature — Human Warrior Ally
Result
- Infinite artifact ETB
- Infinite artifact LTB
- Infinite artifact sacrifice triggers
- Infinite +1/+1 counters on creatures you control
- Infinite creature ETB
- Infinite creature LTB
- Infinite colored mana
- Infinite death triggers
- Infinite landfall triggers
- Infinite mill
- Infinite creature sacrifice triggers
- Infinite self-mill
Combo data from Commander Spellbook.