pokemon cards wikipedia The Pokémon Company Base Set (Pokémon) - Wikipedia

Hiding in the shadows of the battlefield, Rogues operate in secrecy, making their move when your opponents least expect it

3 Fireblast Fireblast is a burn spell that normally costs a hefty six mana to cast

Chart shows the price of Overkill [Foil] #109 at the end of each month going back as long as we have tracked the item.

Singers, bodyguards, sidekicks, and really anyone who's loyal and steadfast can fit into this category which, at the moment, consists of 34 unique cards

Players can turn in these points to obtain exclusive cards that arent available anywhere else

I think that's reason enough for your opponents to have final say over what is or isn't out-of-bounds