But turning a token or an unnecessary mana dork into a real creature has its appeal
You wont be punished by having a full sideboard, so you dont need to play around that
As history has shown, Llanowar Elves forces decks to pack reliable ways to eliminate it on turn one, such as Cut Down, Torch the Tower, or Lay Down Arms
The fun fact is that theres a full cycle of these common commanders from Legends , and since I bet you're curious, I will share with you the full list: Barktooth Warbeard Jasmine Boreal Jedit Ojanen Jerrard of the Closed Fist Kasimir the Lone Wolf Lady Orca Sir Shandlar of Eberyn Sivitri Scarzam The Lady of the Mountain Tobias Andrion Torsten Von Ursus #34
While the effect is simple on its face, it opens up a lot of possibilities in the right situations, stopping your opponents from using that characters powers requiring exertion or questing or challenging with them for another turn