Yes, Shiny Treasures EX is part of the High Class Pack series
So long as silver borders were the mark of Un-set cards, mixing legality within a set remained a technical roadblock
One of the cards allows players to instantly win the game if there are 66 or more damage counters on their benched Pokemon, while the other ensures victory if the player has 35 or more cards in their hand
Pokemon-151 is another special set which means there are no booster boxes
However, there are arguably better options like Tangle Wire, which not only taps down permanents but also has a more immediate impact on the board state
Vial Smasher the Fierce is a three mana Black and Red 2/3 that reads, Whenever you cast your first spell each turn, choose an opponent at random