Supporter SARs have historically held value well in the Pokemon TCG secondary market they see play in competitive decks while also commanding collector demand for their illustrations
With this knowledge in hand, we can see how each Lost Zone Box differs from one another
BUT, its not unheard of to have at least some trading cards in or near the kids toys sections
With Cockatrice, however, it's easy to walk back a misplay or talk through a combo of cards to get to the action without needing to navigate the menus and resolution of each card individually
Like Gaddock, this is a proactive punch in the face and the body is a real threat while forcing folks to not cast a card type (other than creatures of course)
Similar to the Pokmon, the most playable supporters printed in full art or alternate art variants often end up being very expensive