Quote from theScalpelexisnice list! i play sisters too, in a very similar style. here are a few things i noticed.
i see a serious lack of card draw here, which will get you crushed in the late game when you have 14 lands and no hand to do anything with it all. you really need the card draw. with all of the land tutoring shuffling you up, ive found one of the best cards you can possibly have is sylvan library. also i see you are running the bloodgift demon which is a smart move, but are lacking the phyrexian arena. i run both and even run graveborn muse as well. this deck also really, really, really, loves greater good. this is especially good with all of the big bombs you have which will surely see some hate, and drawing 7 or so cards (even just off of sisters) can be game changing. also this is a dirty move with primus and mikey.
as for lands
shizo, death's storehouse is huge with sisters and has won me very many games by giving me a quick and easy 3 turns swinging of commander damage.
you arent playing golgari rot farm or temple of the false god, which are mana boosts which come at the low cost of playing a land. they are also huge with garruk, wildspeaker, which you are playing.
with all of the extra mana you have, i have found one of the strongest cards i can have is nim deathmantle. this card is a powerhouse, and leads to a lot of combos if considered correctly. that being said, i see a possible lack of recursion here in general. volraths is a good start.
I notice somethings that are potentially crippling here too. you are not nearly explosive enough to warrant collective voyage or rites of flourishing. i feel like you will play these and then get steamrolled by the aggro deck before you even get a chance to set up.
also, is there a reason youre not playing any drazi?
im really interested in this deck, as i play a very similar set up, and would like to work towards a stronger deck for everyone.
Quote from Cranial_extractionThen maybe they will print something better as the "preview" card.
Quote from ISBPathfinder »Personally I went away from Drana, Kalastria Bloodchief a while back because she was just so mana intensive to really utilize. I think she is still decent but you might also test Sheoldred, Whispering One in her place. I was originally against utilizing her but she does some decent work especially when paired with some recursion. Against hexproof voltron is where she really shines but I think she is still a fairly good value engine all around.
Disciple of Bolas goes back and forth for me as well. I ended up cutting him from my list because I rarely had disposable creatures that would give me a good number of cards. Low creature counts + utility based creatures makes him a bit awkward.
Rescue from the Underworld was always awkward for me as well. It exiles itself so you can only use it once and it has a delay which can be incredibly awkward if someone does something on your turn to a creature you want to keep. I ended up cutting it myself due to just odd timing in general with it as well as needing two targets and it exiles itself when it resolves.
Quote from ISBPathfinder »It looks like it isn't isolated for me.... I am going to bring that one to Feyd.
Both of those options would be solid picks. Picking up another tutor could also be an option for you such as Diabolic Intent or Beseech the Queen. I don't see anything that looks like it has to make the list that is differing between our lists.