There are so many +1/+1 counter synergies these days that its incredibly easy to make an oppressively powerful deck with that strategy, and I personally dont like the mental energy required to keep track of all the various triggers those strategies accumulate on the battlefield
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
Where Zombies starts to differ from Vampires is in the number of lords
The fight is memorable for the scale of the foe, but also the fact that it likes to flee near the end of the battle, wasting players time and resources if they dont bring their heaviest attacks at just the right moment
As one of the strongest enchantments you can find in Commander, Remora is one of the more controversial cards in some Commander circles and definitely one of the most powerful cumulative upkeep cards
One thing is for sure, Saga is here to stay