Well that depends on what condition your card is in
For deck-building purposes, they're treated as another copy of the card indicated at the bottom of the card
5 Colorless Pokmon Provide Amazing Supplemental Engines Noctowl and Bloodmoon Ursaluna ex Help Decks Close Out Games Colorless-type Pokmon often do not make up an entire strategy, but one of the best decks in the format is mostly focused on this type, as Terapagos ex has been paired with Bouffalant to create a relatively resilient deck
Poor showing
The sleek Dark-type Pokmon can fit the spooky look of the night, and its powerful Pitch-Black Blade attack would make for a good trick
Extradimensional Crisis : This set shares a lot of DNA with Shining Revelry, in the sense that it was a sort of self-sustaining environment on launch, thanks to cards like Celesteela, Buzzwole Ex, and Lusamine comboing with one another seamlessly