Since its a Trainer card, you can still use a Supporter card during your turn
It gains +1/+1 counters equal to the colors of each spell you cast, and you can remove five counters to produce a burst of 10 mana in all colors
7 Mewtwo And Mew GX If it was possible to use more than one GX move in a game, the Mewtwo and Mew tag-team GX card would be absolutely unbeatable, and that's saying something considering the fact that this ultra-rare already crushes most matches it's put in
And thanks to Lotus Petal I can cast it on turn 2 if I need to
A perfect PSA 10 is a monument to one of the game's most brutal effects
All in all, the non-budget build is a meaningful upgrade, mostly thanks to the improved mana, and still comes in at under 20 total rares and mythics, so it shouldn't break the bank