Panoptic Mirror | Lithoform Engine | Ghostly Flicker (and one other card)

Cards

At the beginning of your upkeep,
Panoptic Mirror triggers.
Holding priority, activate
Brass Infiniscope by tapping it, adding ({C} magic symbol) ({C} magic symbol) .
Activate
Lithoform Engine's first ability by paying ({2} magic symbol) and tapping it, copying
Panoptic Mirror's trigger.
Resolve the copy of
Panoptic Mirror's trigger, casting a copy of
Ghostly Flicker without paying its mana cost.
Resolve the copy of
Ghostly Flicker, blinking
Brass Infiniscope and
Lithoform Engine.
Repeat from step 2.

Each activation of
Brass Infiniscope adds a delayed triggered ability that can draw you cards and gain life if you cast a spell with ({X} magic symbol) in its cost. If you wish to use these abilities, you'll want to stop the combo before getting too many triggers such that you'll deck yourself and lose the game. To gain life, you must spend at least ({2} magic symbol) for X when casting the spell.

This combo has been estimated to be Powerful (Bracket 3+).