Panoptic Mirror + Lithoform Engine + Ghostly Flicker + Brass Infiniscope

Panoptic Mirror

Lithoform Engine

Ghostly Flicker

Brass Infiniscope

How it works

1. At the beginning of your upkeep, Panoptic Mirror triggers.
2. Holding priority, activate Brass Infiniscope by tapping it, adding CC.
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 Brass Infiniscope and Lithoform Engine.
6. Repeat from step 2.