Panoptic Mirror + Lithoform Engine + Ghostly Flicker + Relic of Sauron

Panoptic Mirror

Lithoform Engine

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 Lithoform Engine's first ability 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 Lithoform Engine.
6. Repeat from step 2.