We couldn't fit everything we wanted on a single card and trimmed down what we could
Sarkhan, Soul Aflame is a dragon decks best shapeshifter, making your dragons cheaper and copying the newest one that hits the battlefield, which leads to some pretty wild double-threat turns
-sigh- Commanders emphasis on color identity in deckbuilding has successfully kept Krrik, Son of Yawgmoth from being a huge problem in the format as a whole, but its still a powerhouse that should be removed or countered on sight against decks with a large or exclusive emphasis on black, as 4 mana can easily become as much as 16, more if life gain enters the equation
Not only that, but they could easily become mainstays of Pioneer or even Modern, given the right deck
EPIC MULTIPLAYER BATTLES Commander is a multiplayer way to play Magic, an epic, free-for-all battle full of strategic plays and social intrigue
The other Gearhulk cards are also pretty valuable out of the gate: Riptide Gearhulk and Oildeep Gearhulk are also in the $9-$10 range