Gallade GX because Gardevoir already got one;
Alolan Exeggutor GX, Alolan Sandslash GX, Alolan Raichu GX and Alolan Marowak GX: they are amazing Pokémon with new forms in Alola so wynaut?
Arcanine GX, in the TCG Arcanine only got two ultra-rare cards: Arcanine break black star promo and...