I was lucky enough to get an invite, and the betas recently went out of NDA, so I figured Id give some first impressions
6 EX FireRed & LeafGreen Ditto The Ditto card from the EX FireRed and LeafGreen expansion, illustrated by Miki Tanaka, has less Ditto than most other cards that feature it but more space for the holographic pattern surrounding it
Empyrean Eagle An MVP of birds and spirit decks alike: Empyrean Eagle is simple, and has been used as a generic flying payoff in multiple Core Sets
Since the dork is removed, you can do it in response to targeted removal on a key thing, just like blinking
Epic cards will be alternate versions of existing cards, with numbering that goes above the base card numbering, similar to Enchanted
However, we are also seeing stun counters being used as a cunning downside for otherwise overpowered cards