Panoptic Mirror, Strionic Resonator, Ghostly Flicker, and Lavabrink Floodgates

Prerequisites

• Panoptic Mirror on the battlefield
• Strionic Resonator on the battlefield
• Ghostly Flicker in exile
• Lavabrink Floodgates on the battlefield

Steps

1. At the beginning of your upkeep, Panoptic Mirror triggers
2. Holding priority, activate Lavabrink Floodgates by tapping it, adding
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 Ghostly Flicker without paying its mana cost
5. Resolve the copy of Ghostly Flicker, blinking Lavabrink Floodgates and Strionic Resonator
6. Repeat from step 2

Results

• Infinite storm count
• Infinite magecraft triggers