Panoptic Mirror, Strionic Resonator, Ghostly Flicker, and The Great Henge

Prerequisites

• Panoptic Mirror on the battlefield
• Strionic Resonator on the battlefield
• Ghostly Flicker in exile
• The Great Henge on the battlefield

Steps

1. At the beginning of your upkeep, Panoptic Mirror triggers
2. Holding priority, activate The Great Henge by tapping it, adding and causing you to gain 2 life
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 The Great Henge and Strionic Resonator
6. Repeat from step 2

Results

• Infinite storm count
• Infinite magecraft triggers
• Infinite lifegain triggers
• Infinite lifegain