Isochron Scepter, Vitalize, and Aphetto Alchemist

Prerequisites

• Isochron Scepter on the battlefield
• Vitalize in hand
• Aphetto Alchemist on the battlefield

Steps

1. Activate any number of creatures 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 Activate Aphetto Alchemist by tapping it, untapping Isochron Scepter
4. Repeat

Results

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