Corridor Monitor + Doppelgang + Echo Mage
Corridor Monitor
Artifact Creature — Construct
Doppelgang
Sorcery
Echo Mage
Creature — Human Wizard
Result
- Infinite creature ETB
- Infinite creature tokens
- Infinite untap of creatures you control
- Infinite mana creatures you control can produce
- Infinite mana artifacts you control can produce
- Infinite magecraft triggers
- Infinite landfall triggers
- Infinite untap of artifacts you control
- Infinite copies of all permanents
Combo data from Commander Spellbook.