BREAK Evolution is a special kind of Evolution in which a Pokmon BREAK keeps all the attacks and Abilities of its previous Evolution (plus its Weakness, Resistance, and Retreat Cost), but it gains extra attacks or Abilities, its HP changes, and it could even change type
So the answer at present is that we simply dont know but we wouldnt be surprised if the popular Trainer Gallery cards do make another appearance at some stage.
In a deck looking to invest a ton of mana into things and have ways to distribute +1/+1 counters on its creatures, Song of Freyalise is a natural fit
If the chip damage and the continual drain from your Zulaport Cutthroat isnt enough, Exsanguinate can push you across the finish line
It also matters when you have built your deck around a core land or two
You can expect plenty of mentions of trample, +1/+1 counters, food tokens, mutagen tokens, and sneak