Cao Fang, assistant teaching professor of finance at Northeastern University, who has studied experimental finance, said that unlike the Beanie Baby craze that fizzled at the turn of the millennium, Pokmon cards can be part of an investors portfolio provided they understand the unique risks inherent to owning so-called collectibles
This could include small creases, scratches, scruffs, bends or a combination of the above in a moderate degree
As you pointed out, the difference between Pokmon EX and Pokmon GX is that the former ones are always Basic whereas the latter ones are always the stage they are supposed to be [1] (except for Tag Team GX cards which are also always Basic)
You can only use this effect of "Valiants' Voltage - Viscount" once per turn.Monster Effect: If you control this Special Summoned card: You can place 1 face-up "Vaylantz" Pendulum Monster from your Extra Deck face-up in your Spell & Trap Zone as a Continuous Spell
You can only use this effect of "King's Sarcophagus" up to four times per turn