In the original Black & White series, ACE SPEC cards adhere to a rule that restricts your deck to containing only one ACE SPEC card
If I, however say Do this thing and I wont target your creatures, then I dont see it as breaking the agreement by casting Damnation
Being a Water-type, Blastoise GX was perfectly poised to bring down the powerful Fire-type Tag Team card
Legendary Planeswalker - Daretti Recursion (CTRL to add secondary) Removal Basilisk Collar Equipped creature has deathtouch and lifelink
Reshiram ex fits naturally into aggressive Fire builds, but it also works as a comeback attacker that punishes opponents for taking early leads
Each have their own strengths and weaknesses, and I think there's a decent argument for having any of them as your commander: Kitt Kanto, Mayhem Diva is the face commander of the precon and I think is the strongest of the bunch