Arena is WotC's video game version of Magic the Gathering, yeah. Notably it's got microtransactions and such for opening packs of cards.

TBF, that's just kind of built into the product naturally.

There are several MTG video-games. In this case, it's "Magic: The Gathering Arena"

https://en.wikipedia.org/wiki/Magic%3A_The_Gathering_Arena

I had one that came on a cd. I played that for ages.