Prerequisites
- Isochron Scepter on the battlefield
- To Arms! in exile
- March of the Machines on the battlefield
- You control creatures that can tap to produce at least
Steps
- Activate creatures you control by tapping those, adding
- Activate Isochron Scepter by paying and tapping it, casting a copy of To Arms! without paying its mana cost, untapping all creatures
- Repeat
Results
Required Cards 3
March of the Machines
Enchantment