If you are playing a deck that is not Fighting or Water and have Pokmon of that type visible in a public zone (in play, Discard Pile, or face-up Prize Cards), you may not use your opponents Brooklet Hill
(2017-08-25) If Shifting Shadow can't become attached to the creature you put onto the battlefield, most likely because that creature has protection from red, it becomes attached to nothing
Spam those attacks
Woe Strider even comes with some sacrifice fodder in the form of a Goat
During the Sun & Moon era, we saw spread attacks like Tapu Kokos Flying Flip and Weezings Splattering Sludge have enormous success, but these effects have dropped off since the Sword & Shield era for good reason
Cursed with Awesome: Parallel Rex embraced being cursed, and while he's now barred from fielding any Blessed cards (excluding those that also counts as Cursed), he now has a huge selection of Cursed cards he couldn't use before, opening new opportunities and synergies (particularly because he may now benefit from having cursed tokens in the bag)