This is one of the biggest transitions for the Pokmon TCG meta in recent years, but its way overdue
With Sigarda out, that no longer becomes an option, reducing your opponents to board wipes of some kind, which arent always great in many scenarios
Technically, you could also choose land, but lands are never cast, so doing so would have no effect
3/64 - Celebi The "Double" Holo variant's background is all holo, including the area between Celebi's eyes and antenna
You can win a Pokmon TCG battle by taking all of your six prize cards by knocking out your opponents Pokmon (different Pokmon equate to different numbers of prize cards), leaving your opponent with no Pokmon in-play, or running their deck down so that they have no cards left to draw