Like most Pokmon cards, the value of Dewgong 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 (Phantasmal Flames)
While the Historic card pool makes this plan less powerful than in other formats like Modern, mostly because we don't have Temur Battle Rage or Assault Strobe, we can still put together a very aggressive Kiln Fiend deck in the format
With all the flavor and fun, Lochmere Serpent will unfortunately be only a one-of in control builds moving forward
Colress allows you to do this and find an Energy as well, making it one of the best Supporters despite its simple effect
In a later article Ill explain how YOU can make your own card, so for now this will just be a quick overview