Fugitive of the Judoon allows us to tutor a Doctor card to the battlefield with its last chapter, and I thought two targets was a reasonable amount to make sure you could always get at least one use out of it
Cards like Roaring Moon ex are immensely powerful because they can knock out any Pokmon without caring about its HP, while cards like Pecharunt ex are amazing for closing out matches where the opponent has taken a significant amount of prize cards throughout the game
In response to many fans' suggestions to just print more cards, Ishihara makes it clear that "Those items are seen to be valuable because they're rare or seen as vintage and it's not our place to say that they're not." But with the second hand market being in the state that it is, Ishihara says it "prevents new products from being sold"
The addition of Red to the possibilities means that we can take advantage of cards like Devastating Summons, Feldon of the Third Path, Flameshadow Conjuring, and Godsire to create either massive creature tokens or copies of tokens that were meant to only last the turn, but can now stick around