Idk why but i love shiny Milotic

Hisuian Zorua

Alolan Ninetales

Marshadow

There's a few I really like, my favorites probably being Braixen, Hisuian Zorua, and Mega Gardevoir.

Scizor has grown on me HARD, mainly because of the yellow eyes

I have a few, but shiny Giratina is good.

Ralts