Cards can normally be dismantled for 1/3rd of their value, giving you 10 CP of the card's rarity
Arguably, first strike is even more powerful as a defending ability than an attacking one
A bonus structure grants the more expensive options additional Pok Gold per purchase
You can only use each effect of "Xtra HERO Cross Crusader" once per turn, also you cannot Special Summon monsters the turn you activate either of this card's effects, except "HERO" monsters
So, players could end up losing money by opening them
However, an older card such as a Pokmon which has the same name, but not the same stats and abilities (for example, the Sableye shown in the image above), would not be legal to include alongside a Sableye with the currently legal regulation mark