Spine of Ish Sah +Naru Meha, Master Wizard +Ghostly Flicker +

Soft lock Infinite ETBs Infinite Mana Revised by CR

With Spine of Ish Sah in play, use Ghostly Flicker to target it and any other permanent In response, play Naru Meha, copying Ghostly Flicker. With the copy of Ghostly Flicker, target Naru Meha and Spine of Ish Sah Let the copy of Ghostly Flicker resolve. Spine of Ish Sah's trigger will destroy target permanent. With Naru Meha's trigger, copy Ghostly Flicker again. Repeat the process.

Legallity