Before I wrap up with Johnny, I feel obliged to point out that Johnnies aren't restricted to deck building
Obviously, these test cards will not be able to be sold, so it's important to mark them in some way, shape, or form that says "do not sell me." "For Position Only" works well, right
Its also one of the few creatures to give instants and sorceries lifelink
The Switch card allows players to switch an active Pokmon with one of their benched Pokmon without expending energy
Then if cast from exile you'll also gain twice that power's life - great for saving yourself and then free in Type Four where you have infinite mana but just one spell per turn barring alternate costs like Force of Will or this
All of the cards you need to collect are Full Art One Gold Star cards, which makes an already tricky task even trickier