One of my current favorites is my new Zeraora V from the Trainer Gallery. This card has such a vibrant colorscheme and the ratio between Selene's size and Zeraora is just perfect.
Other favorites from what i own
Charizard GX
Charizard V
Sylveon GX
Sylveon VMAX (This Sylveon is just fantastic in design)
Tapu Koko VMAX
Tapu Koko (The one with the Prism emblem in the center)
Dusk Mane Necrozma GX (Very cool and intimidating)