Although Commander isn't an official format (which has led to controversy), it's become one of the most popular ways to play Magic , demanding careful deckbuilding, and deep knowledge of card synergy while allowing for hyperspecific, overpowered playstyles
Lulu, Stern Guardian seems to have a decent future ahead of her, but if players decide that she isnt worth her price tag, demand could cease entirely.
There are still some mana complications, due to the required basic land count and the strength of the Castles, but there is room for a couple of these in every control deck out there
Not only does it produce mana, but the activated ability gives you an outlet for it that even forces creatures through countermagic
Destroy the chosen creatures
While a two-mana ramp creature is obviously less desirable than something like Elvish Mystic, Twitching Doll has the kind of upside a one-mana dork could only dream of