Bloomburrow introduced numerous typal commanders for less-than-supported creature types such as Rabbits, Otters, and Bats, but some generals are flexible enough that they can work well even without significant investment in their creature theme
It's run in 4% of decks and then has an entire archetype named around it
Commander is a format of big, splashy spells that usually have some cool effect, so getting to copy it and then delay your opponents spell is huge, especially if theyve sacrificed resources to cast it ahead of time
MAI AND ZUKO Firebending and Flash combine quite well together, because it largely removes the downside of Firebending that you can only use that mana during combat
Getting to explore is a good out to an enemy removal spell or after chump-blocking, and if you fill your deck with creatures that actually want to die, its profit on both ends