When you add in time for rolling and wacky effects, Planechase Commander games can take a while, too, so you should probably expect to settle in for a little longer than normal, though some of the new planes really encourage attacking and moving the game along, so maybe less than you might think if you're used to Planechase Commander already
Common sideboarding strategies include: For Aggro Matchups: Bringing in more cheap removal spells or creatures with lifelink
First seen back in 2010 this version of Archenemy is in Commander Form
Some low-power Cubes are interested in Dark Deed, and they usually play cards like Nowhere to Run
Will you summon a Chocobo to aid you
The cards here are more broadly useful, too, so I could see this being the most popular of the three drops by far