That particular trade was given legitimacy by the organiser, trading card investment firm and exchange PWCC, which regularly handles sales across various CCGs for high-value cards
The reason for this spike is that Seasoned Pyromancer is a good fit for Boros and Mardu Energy decks, which have remained top tier despite being a primary focus of the recent MTG banlist changes
That said, whilst I certainly intend to try out this style of list more, for now I am still a bit sceptical
Look, if this card was printed on paper, it could have easily been one of the top Esper cards ever created, but since it's a digital-only card on MTG Arena, it only deserves a brief mention
It was fine in the way that self-contained card-advantage machine for two mana (that could, separately, counter an opposing Bitterblossom) is fine
2 Ertha Jo, Frontier Mentor - High Noon Five Mana For Ten Damage Although it requires a bit of preparation to pull this off, you can dump a bunch of damage by combining High Noon's triggered ability with Ertha Jo, Frontier Mentor's passive one