The most expensive ones are the 12 cards that feature alternate artwork in each set and are classified as having an Enchanted rarity status
Theres a fine line between being deep enough to satisfy TCG players spoiled by decades of Magic: The Gathering mechanics, without throwing fans enchanted by Disney cards in at the deep end and watching them flounder
Ok Pokemon Card Game: How To Play DS (JP Nintendo DS) Details All prices are the current market price
And, of course, you can't mention Gisela without mentioning Heartless Hidetsugu, which deals damage to each player equal to half of their life total
This is just a solid 2-drop with a lasting impact on the game, especially if you exploit the token production with cards like Mondrak, Glory Dominus and Purphoros, God of the Forge
Though it is low in ink cost to play, that doesn't make it low in monetary value