When I first saw it, I didnt even think of it as a serious Constructed card, just an enabler for this sets mechanic, strive, which generally didnt seem good enough
Green-Eyes Annihilation Blast Quick-Play Spell If there is a face-up "Green-Eyes" card(s) in the Monster Zone or Pendulum Zone: Destroy all cards on the field, then, if your opponent controls a monster(s), you can Special Summon 1 "Green-Eyes" monster from your hand or GY for every monster your opponent controls, and if you do, their ATK/DEF become double their original ATK/DEF, also they are unaffected by your opponent's cards and effects this turn
But considering that by tutoring the Spear and putting it into play means she can fulfill it herself youre generally guaranteed card draw, which is what these decks want
Though it isnt explicitly stated, the cards illustration implies that Mew VMAX is warping the very boundaries of the space-time continuum by its very presenceapt for one of the most metagame-defining cards in the history of the Pokmon TCG
She's a staple on a whole other level from Svyelun
After a while, it became a staple of the tournament scene because it allows control decks to reliably kill without playing any creatures at all, turning lots of their opponents' cards useless by denying them targets