Sure, you could use Buttercup, Provincial Princess as the commander of your Princess Bride Vorthos deck, but whatcha gonna do about that Battle of Wits
*But NEVER wet them while wiping
The triggered abilities on allies certainly leans on a lot of cards from Avatar: The Last Airbender , but outside of those some great cards to include are Talus Paladin, Turntimber Ranger, Seascape Aerialist
To go a little deeper, it's a static ability that functions in any zone from which you could play the card it's on (e.g., your hand, exile, commander zone)
Since its release in 1999, this holographic card has experienced an absolutely spectacular price trajectory, rising from a few dozen euros to several hundred thousand