This would put a booster box at $391.50 for Phantasmal Flames. The most expensive a normal Pokemon booster box has ever been on preorder. Are we cooked? Do you think Phantasmal Flames HOW MUCH?! Top 20 Most Expensive Modern Pokemon Booster Boxes The Most Expensive Pokmon Cards In Packs RIGHT NOW TCGplayer The Most Expensive X&Y Era Pokemon TCG Booster Boxes Pokmon TCG: Mega Evolution Expansion Overview The most expensive Pokemon Booster Box of all time #pokemon