Grinding Station + Su-Chi Cave Guard + Urza, Prince of Kroog
Grinding Station
Artifact
Su-Chi Cave Guard
Artifact Creature — Construct
Urza, Prince of Kroog
Legendary Creature — Human Artificer
Result
- Infinite artifact ETB
- Infinite artifact LTB
- Infinite artifact sacrifice triggers
- Infinite creature ETB
- Infinite creature LTB
- Infinite colorless mana
- Infinite creature copies of artifacts you control
- Infinite creature tokens
- Infinite death triggers
- Infinite mill
- Infinite creature sacrifice triggers
- Infinite self-mill
Combo data from Commander Spellbook.