But the key here was having stuff to clear a path for your beaters, almost like a tempo-aggro deck that wants to cast some early dorks and then counter/bounce answers or blockers, this deck wants to do the same with discard and removal
Shadowless cards were produced immediately after the 1st Edition print run, hence there is some slight crossover with a small number of 1st Edition Shadowless cards
If they aren't around, they will probably respond to your inquiry over email once they're available
This is usually done through the store website or via RK9 for major tournaments
Black Star Promo 9 - Mew (Pokmon League (April 2000))
It is very possible to cast a Brainstorm, stack three massive Creatures on top of your deck, and then cast Koma, Cosmos Serpent and cascade into three threats on top of Koma