Isochron Scepter, Call to Glory, and Ensoul Artifact

Prerequisites

• Isochron Scepter on the battlefield
• Call to Glory in exile
• Ensoul Artifact on the battlefield
• Ensoul Artifact attached to Isochron Scepter
• You control creatures that can tap to produce at least

Steps

1. Activate creatures you control by tapping those, adding
2. Activate Isochron Scepter by paying and tapping it, casting a copy of Call to Glory without paying its mana cost, untapping all creatures
3. Repeat

Results

• Infinite mana creatures you control can produce
• Infinite storm count