obsidian flames booster box nearby Japanese Pokémon - sv3 - Ruler of the Black Flame (Obsidian Flames) not the contents of just one pack Pokémon Scarlet & Violet Obsidian

The artwork captures its cloudlike wings in beautiful detail, making this one of the most peaceful Illustration Rares in the set

Store shelves follow local shipment and vendor schedules

Not all card abilities use the stack, and effects triggered by cards arent part of the stack themselves, but may still take effect

The main combo revolves around a Pod effect, like on Vivien on the Hunt and Birthing Pod, and making infinite combos with Kiki-Jiki, Mirror Breaker

It plays nicely into the AC Universes Beyond set's themes of myth, legend, and history, too, as that massive casting cost gets reduced equal to the total mana value of 'historic' permanents you control (that's artifacts, legendaries, and sagas)

Its not super unknown, but its obscure enough that I (and even @Quuador) couldnt remember the name at Worlds