Ghostly Dancers
Gloom itself takes up, what, ten percent of the card space
The anatomy of a Pokemon card There are many different types of Pokemon cards, and their layouts/designs have changed throughout the years, plus their are also one-off and unique Pokemon cards that look completely different from regular cards, so there is no simple, definitive guide for the anatomy of a Pokemon card
Its a great way to make a sick mass of Zombies instantly, which a whole lot of decks and cards can take advantage of, even if the tokens are decayed
On his second turn you can quest with him, which will activate his first ability GIVE IT A TRY
These interactions may not make it into top-tier decks any time soon, but the fact that they exist is exciting in itself