From a gameplay perspective, Alakazam ex offers some level of novel utility with its Dimensional Hand attack, which can be used even when its on the bench
This Week's Pokmon TCG Crashers and Climbers The Single Pokmon TCG market on the other hand is going through a grand reset right now, which is down to a few factors
Using these two abilities in conjunction with each other will give you lore, card draw and the ability to move damage from your characters to your opponents in a single turn, which is damn effective
Special Summon it, then you can add 1 monster from your Deck to your hand with the same original name as that Special Summoned monster
However, this one has some different options, as the other expensive board wipes usually get more card types included
All of that put together is a recipe for a surprise OTK