When Mew functions, it fires on all cylinders and is nearly impossible to beat, but it's kept in check by its own inconsistency and by Darkness and Arceus VSTAR / Path to the Peak decks for now
Doom Weaver The stats are odd at 1/8 with reach, and it would be bad if there weren't cards like Doran, the Siege Tower
Before you build your own deck, you might want to watch or play a few games with a friend's deck to help decide on what strategies you prefer
Collect Rare League Cards by revisiting Gyms and old Rivals If more Pokemon battles are what you crave in the post game, your best bet is actually to journey back to the various gyms where you'll find some all-new post game challenges worthy of the Champion - all-new raid-style boss encounters with Dynamaxed Pokemon that essentially amount to single-player raid bosses of a sort
Badass Arm-Fold: Both Great Maju Garzett & Legendary Maju Garzett have these
After two uses of Frost Bullet, applying three damage counters to an opponents Benched Pokmon each time, it can then be Knocked Out completely on the following turn