The baseline here is solid, but the card gets really insane when you have multiple ways to make multiple rabbits -- and there are ways to do that at Common and Uncommon
It's a slow starter if you don't have a curated first hand, and I would say that it's such a situational deck that even pulling generally good cards off the top of your deck can feel a little jarring when you haven't got your board set up right to play and/or protect it
Hence, Appa, Steadfast Guardian and Aang, Swift Savior (or Airbender Ascension) can repeatedly airbend each other, creating infinite Ally tokens
Occasionally though, when you can convince two of your three opponents that its in their best interest, it instead serves as a four-mana Time Walk
Mechanics While I could just say that white is built around themes like anthems that strengthen the team, effects that protect a group or punish wrongdoings, youll probably be happier with an actual list of whites mechanics