She can make mana if you need it, but ideally, we want a beefy commander swinging early on to make the games go fast
Hakka, Whispering Raven might let you scry 2 when it hits an opponent, but it also bounces to your hand so you'll likely only get to do that every other turn at best
Mono-green commanders like Ezuri or Marwyn are great starting points
Emerald characters also tend to have keywords like ward and evasive, which make interaction through actions or challenges a nightmare for opponents
Goblin Matron, Moggcatcher, and Goblin Recruiter allow you to search your deck for specific goblin cards and put them in your hand or on top of your library
If you're tutoring for anything and don't have this accessible yet, you're tutoring for Parharmonicon