gloom pokemon card 198/197 you may flip a coin Pokemon Card Gloom 002/171 -

Its a Midrange deck that provides a large number of recourses to mess with your opponents board state and strategies, splashed with Evasive Questing cards like Pongo and Peter Pan, Never Landing

In SM8b GX Ultra Shiny you were unofficially getting around 2-3 S cards per booster box, this is the same for S4a Shiny Star V

Fortunately, there are plenty of great multicolor cards to ramp into, and cards like Zoetic Cavern means that everyone can ramp, however awkwardly

GWL - Crown Opal 180 During your opponent's next turn, prevent all damage done to this Pokmon by non-Colorless Basic Pokmon

Olivia, Opulent Outlaw, probably the best outlaw commander in the game, cares about more than just assassins, so you might run it as a less focused deck than some of the other assassin decks

a) Put damage counters on any Poisoned Pokmon