where can i buy hidden fates pokemon cards the raging waves of Gyarados Pokémon TCG: Hidden Fates Ultra-Premium

Here's the deck I used (warning, it is not great and I'm open to suggestions to improve it as a more general-purpose meme deck that strips out important things and leaves someone else to actually kill people in free-for-all format.) The story: 3 players, me with the meme deck, work friend with the "you cannot lose the game" mystery deck, and a third with a deck specifically filled with legendaries of as many types as he can make work

This will not only allow us access to cast cards of those colors reliably, but also to be able to pay the upkeep cost of UBR for Nicol Bolas

1 Ninja of the Deep Hours

The ability resolves if it becomes the top element of the stack and all players pass in turn order