Panoptic Mirror + Strionic Resonator + Ghostly Flicker + Relic of Sauron

Panoptic Mirror

Strionic Resonator

Ghostly Flicker

Relic of Sauron

How it works

1. At the beginning of your upkeep, Panoptic Mirror triggers.
2. Holding priority, activate Relic of Sauron by tapping it, adding .
3. Activate Strionic Resonator by paying 2 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 Relic of Sauron and Strionic Resonator.
6. Repeat from step 2.