Prerequisites
- Isochron Scepter on the battlefield
- Energy Arc in exile
- Tezzeret's Touch on the battlefield
- Tezzeret's Touch attached to Isochron Scepter
- 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 Energy Arc without paying its mana cost, untapping all creatures
- Repeat
Results
Required Cards 3
Tezzeret's Touch
Enchantment — Aura