The 23 Most Rare and Expensive Pokmon Cards Dicebreaker How to know a Pokmon Card is Rare & Valuable in 6 Steps English Pokemon Scarlet & Violet Obsidian Flames 030 197 Entei Reverse TheCardCollector UK Day 100, The final card in this 100 day challenge is something that means a lot to me. Obsidian Flames is my favourite Scarlet and Violet era set, and a big reason for that is this Charizard ex Pokmon TCG Pocket: The rarest cards to collect