Isochron Scepter, Elder Druid, and Vitalize

Prerequisites

• Isochron Scepter on the battlefield
• Elder Druid on the battlefield
• Vitalize in exile
• Creatures you control can tap to produce at least
• Elder Druid does not have summoning sickness
• Vitalize exiled by Isochron Scepter

Steps

1. Activate any number of creatures you control by tapping them, adding at least
2. Activate Isochron Scepter by paying and tapping it, casting a copy of Vitalize without paying its mana cost
3. Resolve Vitalize, untapping all creatures you control
4. Activate Elder Druid by paying and tapping it, untapping Isochron Scepter
5. Repeat

Results

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