Isochron Scepter, Cyberdrive Awakener, and Energy Arc

Prerequisites

• Isochron Scepter on the battlefield
• Cyberdrive Awakener in hand
• Energy Arc in exile
• available

Steps

1. Animate Isochron Scepter using Cyberdrive Awakener
2. Activate any number of creatures by tapping them, adding at least
3. Activate Isochron Scepter by paying and tapping it, casting a copy of Energy Arc without paying its mana cost
4. Resolve Energy Arc, untapping all creatures you control Repeat from step 2

Results

• Infinite magecraft triggers
• Infinite mana creatures you control can produce
• Infinite storm count
• Infinite untap of creatures you control