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
Whats nice is that this should be very good in just one deck while no other deck will be particularly interested, so you should be able to pick it up whenever you need
Protection, intimidate, landwalk, and straight up unblockable are uninteractive which is not great for quality games
8, with the Elite Trainer Box available for preorder now
Summon: TitanSummon: Titan and Summon: BahamutSummon: Bahamut are already pretty powerful, so why not give them lifelink and hexproof as well