Dragon definitely is overrepresented here, but I suspect a portion of the dragon love comes from e4 generally being WOTC collectors, therefore an eseries Holo may speak to those specific people more than a non ereader holo because it could be reminiscent of skyridge or aquapolis
You have 99 total cards to work with here, or 98 if you play with a partner commander
Pokmon TCG Pocket's latest battle event is here, running from today, February 3, 2025 to February 17, 2025
Sure you can build a purple deck that actually has a lot of card drawing abilities but even without purple, competitive or experienced players dont have this issue
you put your collector cards into the psa graded card slabs, protecting your graded cards from water, sweat, bending and scratching, which can keep your pokemon card in nice condition, and your beloved cards are not faded easily