Paradox Engine, and Isochron Scepter

Prerequisites

• Paradox Engine on the battlefield
• Isochron Scepter on the battlefield

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, causing you to cast a copy of the exiled instant
3. Paradox Engine triggers, untapping all nonland permanents you control
4. Resolve the copy of the instant
5. Repeat
6. If nonland permanents you control can tap to produce at least , this combo nets infinite mana

Results

• Infinite copies of cards exiled with Isochron Scepter
• Infinite magecraft triggers
• Infinite mana nonland permanents you control can produce
• Infinite storm count
• Infinite untap of nonland permanents you control