Historically, 2-2 was commonly played, but many modern lists run 3 Garchomp C and 1 Garchomp C Lv.X, since it helps to have more in the SP mirror match
Deck Description I would like to thank SharpJayhawk133 for sharing their deck with everyone
As such, the Pokmon that end up regarded as the most popular to the fanbase often wildly differ from those which the Pokmon TCG community in particular love the most
Hilda 3
Duplicant is a more permanent answer and one without any targeting restrictions, but Duplicant will never cost two mana in a pinch
Finally, Consecrated Light and Shadow-Imprisoning Mirror are both threats in the side game due to their ability to shut off power cards like Plague, Zombie Master, Caius, Mezuki, and Dark Armed