Like most Pokmon cards, the value of Cetitan depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Paldea Evolved)
The heroes appear together on a Special Guest card from Duskmourn, Collected Company
It's possibly one of the most interesting decks to ever succeed, considering Gengar and Garchomp C Lv.X (C) don't seem to have a ton of synergy together other than their propensity for sniping Benched Pokmon
Packs are priced up to $49.99 and still include free shipping and a magnetic case
So maybe for my next hack, I'll take advantage of that
You can use Quagsires Wash Out Ability to move around any Water Energy, and its Hydro Pump attack can do big spurts of damage once you get enough Energy onto it