Dramatic Reversal, and Isochron Scepter

Prerequisites

• Dramatic Reversal in exile
• Isochron Scepter on the battlefield
• Nonland permanents you control can tap to produce at least

Steps

1. Activate all mana-producing nonland permanents you control by tapping them, adding at least
2. Activate Isochron Scepter by paying and tapping it, casting a copy of Dramatic Reversal without paying it's mana cost
3. Resolve Dramatic Reversal, untapping all nonland permanents you control
4. Repeat

Results

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