To sell your Pokmon cards in these groups, make sure you follow group rules, post clear photos, and respond quickly to potential buyers inquiries
Compared to ZW - Pegasus Twin Saber, it's difficult to force it, but if you use it together, your weak points will be reduced and the enhancement value will be high, so it's easy to aim for damage
When it enters, choose a Creature type
Then theres of course stuff like Faiths Fetters or Bound in Gold that deal with whatever permanent for a little higher cost than Planar Disruption
if a promotional card is released into circulation particularly at the earliest era of a card games lifecycle it will be highly desirable
some of the things that @Thunderforge listed can be the result of a misprint, in which case the card may be worth some money because these are very rare