[2] On 20 September 2021 it was announced that Pokmon Trading Card Game Online would soon be replaced by Pokmon Trading Card Game Live upon release
It rewarded a hyper-aggressive outlook for Boros decks by inviting you to attack with tons of creatures
At the start of each end step, you get to make 1/1 Rat tokens that are effectively Relentless Rats equal to the number of creatures your opponents control that were exiled that turn
You see, for X mana and one Black or Phyrexian mana, you can remove up to X counters from a permanent, and then Hex Parasite get +1/+0 for every counter removed
I think its good, but itll get a lot better if Final Fantasy Limited ends up slow and in need of good ways to spend your mana in the late game
If paired with even just a little disruption, the answer is yes: Sorin will just win you the game on his own