Like the Trademage, Forget lets you discard and draw cards, which is powerful when you have a Commander who is interested in the graveyard, discarding cards, or drawing cards
Jeskai does give us access to a number of untap effects, so even a simple Freed from the Real on Liberty Prime would help mitigate its costly energy generation effect, but we were probably planning to do that anyways in Dr
She slows down the nonsense in the format that can start to pick up around turns three to four, and she stops early board wipes before you can draw into interaction
It's not something you want to draw late with no board, but when its part of your plan
Lightly Played condition foils may have slight fading or indications of wear on the card face
All of these effects can be used to either lean even heavier into Trelasarra, or spread power out among your Soul Sisters and develop a small but dangerous army