Possibility Storm Possibility Storm is a signature card in Neera, Wild Mage decks, but also just a good card for generally messing with your table
Update 19-3-2021: EB Games Canada will also get it's own EB Games Canada stamped Flapple promo Exclusive to Canada
While Your Favorite Character will never be the most powerful commander, if you just really want to build a themed deck around, well, your favorite character, this is an option now
Amass Basic Energy cards in your hand with Firebreathers pyro skills, use Oricorio exs Excited Turbo Ability to attach those Energy to any of your Benched Pokmon, and set your opponents field ablaze with Mega Charizard X exs Inferno X attack, doing as much damage as you need
Any card abilities which happen when a player pays a cost to use them (activated abilities) or automatically when specific conditions are met (triggered abilities) must also pass through the stack and can be responded to the same way (though you would need a card that says target ability to interact with one)
With Arita doing so many signings lately it might give people the itch to get more cards signed, thus more thread popping up