The scarcity of the card and its rare stamp are behind most of its value
[L][C] Electro Ball: 50 damage
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
2019-05-03 After you draw a card as Nicol Bolass first loyalty ability resolves, the next opponent in turn order (or, if its somehow an opponents turn, that opponent) chooses a permanent they control or chooses a card in hand without revealing that card
When Iono is played, both players shuffle their hands, put them at the bottom of their respective decks, and then draw as many cards as they have Prize cards remaining
This means your opponent will have to scramble to finish powering up their Active Pokemon or find a way to stop Arbok from using its Move