The Marauding Raptor ability will trigger, dealing damage to the Polyraptor, which will in turn create another token of it again and again to essentially create infinite Polyraptors and deal endless damage to your opponents with Impact Tremors
The ability to bounce any permanent allows decks to cover their bases, gives you the option to position things early or in a waiting game by bouncing a land and it makes sure that you'll get to trigger the discard effect
Lugia EX and Articuno- EX seem pretty good, but the biggest support they get comes in the form of Colress Machine
Special illustration cards seem to replace one of the two reverse-foil cards rather than the rare or holo-rare slot, so you could get lucky and get a special illustration Pokmon ex and a full art Pokmon ex in a single pack (I think?), but the odds would be pretty small, and thats only because the special illustration card replaces a different foil-style card of the 3 foil-style cards
Meanwhile, Poltergeist lets you look at your opponents hand and deal 60 damage for each Trainer card you find