In any case, Can never be silenced is quite an interesting ability. Other units you control can’t be silenced makes it even more interesting. Note the word “never”, which implies beyond-board effects such as Vara’s Choice and Shush will not put a damper on this one’s big mouth.
Lida’s Apprentice is the anti-Fun Police. S/he will likely become an all-star in Haunting Scream decks and also play an important role in just about any situation where card text matters. I, for one, welcome our new, loud overlords.