The rarest card in Obsidian Flames is Charizard ex (#228), a Hyper Rare.
Why Charizard ex tops the list
Obsidian Flames prints just 3 Hyper Rares, the thinnest tier in the set, and Charizard ex sits at #228 among them. Rarity and price don't always line up. By market value the priciest card is Charizard ex (#223) at about $138.94, so the rarest pull and the most expensive one are different cards here.
How Charizard ex sits in the wider chase
Obsidian Flames runs to 230 cards including 33 secret rares, and Charizard ex is the scarcest of them. Other cards collectors hunt in the set:
- Charizard ex (#223) — Special Illustration Rare (~$138.94)
- Ninetales (#199) — Illustration Rare (~$48.07)
- Cleffa (#202) — Illustration Rare (~$45.26)
- Gloom (#198) — Illustration Rare (~$28.36)
- Pidgeot ex (#225) — Special Illustration Rare (~$24.18)
Star Pokémon to chase in Obsidian Flames
Beyond the single rarest card, these are the headline Pokémon and their prints in the set — each appears in multiple slots, so there's more than one Obsidian Flames card to hunt per name:
- Charizard — Charizard ex (#125), Charizard ex (#215), Charizard ex (#223), Charizard ex (#228)
- Ninetales — Ninetales (#199)
- Cleffa — Cleffa (#202)
- Gloom — Gloom (#198)
- Pidgeot — Pidgeot ex (#164), Pidgeot ex (#217), Pidgeot ex (#225)
If you're hunting the rarest pull, Charizard ex is the one to prioritise; the rest of Obsidian Flames' chase fills in from there. With 33 secret rares and 18 full-art cards across the 230-card set, there's a deep bench of rare pulls behind it.
Figures are from the pokemontcg.io dataset (TCGplayer pricing), as of June 2026.