Cast Ghostly Flicker by paying {2}{U}, targeting Mystic Sanctuary and any other land, blinking them.
Mystic Sanctuary enters the battlefield, returning Ghostly Flicker from your graveyard to top of your library.
Cast Ghostly Flicker from top of your library by paying {2}{U}, targeting Mystic Sanctuary and any other land.
Melek triggers, creating a copy of Ghostly Flicker, targeting any two other lands, blinking them.
Resolve the Ghostly Flicker, blinking them.
Mystic Sanctuary enters the battlefield, returning Ghostly Flicker from your graveyard to top of your library.
Activate Mystic Sanctuary and three other lands, adding mana of any color that land can produce.
Repeat from step 3.

Infinite colored mana

Infinite ETB

Infinite storm count

Melek, Izzet Paragon

Ghostly Flicker

Mystic Sanctuary

Cast any spell, or wait for an opponent to cast one.
Holding priority, cast Memory Lapse by paying {1}{U}, targeting that spell.
Melek and Storm-Kiln Artist trigger.
Resolve the Storm-Kiln Artist trigger, creating a Treasure token.
Resolve the Melek trigger, copying Memory Lapse, targeting the original Memory Lapse.
Storm-Kiln Artist triggers, creating a Treasure token.
Resolve the copy of Memory Lapse, countering the original Memory Lapse and putting it on top of your library.
Activate the Treasures by tapping and sacrificing them, adding {1}{U}.
Repeat from step 2.

Combos with "Melek, Izzet Paragon"