89mm x 127mm card sleeves Perfect Barrier (100 Piece), Clear, 64 : Toys & Games That is 50% more than most KINGSHIELD 100PCS/Pack 64*89mm Transparent Perfect

Sure, its an investment to transform the Eye, but remember it can pay for itself, so its effectively 5 mana to craft, and the back side should more than refund itself with the very first spell you cast for free

The fact that it costs only Colorless energy is a plus though, since it allows Ultra Necrozma ex to be put in any deck and still attack without waiting for the correct energy

You dont see Esika in Standard as it cares about running a bunch of Legendaries which is better served in broader formats such as Commander

You can often deploy yourself to follow up, play Filey to deal burn damage, or play Waterry to draw

Newer titles have moved away from the paradigm of the heroes of light collecting the scattered crystals in favor of broader, more convoluted plot-lines, but most games in the series still have a crystalline element somewhere