Panoptic Mirror, Dramatic Reversal, and Strionic Resonator

Prerequisites

• Panoptic Mirror on the battlefield
• Dramatic Reversal in exile
• Strionic Resonator on the battlefield

Steps

1. At the beginning of your upkeep, Panoptic Mirror triggers
2. Holding priority, activate any number of nonland permanents you control by tapping them, adding at least
3. Activate Strionic Resonator by paying and tapping it, copying Panoptic Mirror's trigger
4. Resolve the copy of Panoptic Mirror's trigger, casting a copy of Dramatic Reversal without paying its mana cost
5. Resolve the copy of Dramatic Reversal, untapping all nonland permanents you xontrol
6. Repeat from step 2

Results

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