Like most Magic: The Gathering cards, the value of Ragefire 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 (Ravnica Allegiance)
At the top of the collector's wishlist is the Special Illustration Rare for Charizard ex
You only have 4 guaranteed counters that don't have conditional modifiers after all
This is the fastest method during gameplay
The Water-type archetype also has a huge amount of support, with cards like Misty giving you a way to quickly generate energy, Irida letting you heal any Pokmon with water energy on it, and Vaporeon letting you shift energy from your bench to the active spot as much as you like
So how are we gonna get that card advantage out of Fang