I believe that
karma simply shows how accurate your statements regarding mtg are as well as how popular your decks are. As far as I know, and if I am wrong sorry,
karma points don't really do anything outside of that. Mind you I can not wait for a few of these cards. looking forward to testing out
answered prayers,
mox tantalite,
carrion feeder,
squirrel nest, charming vampire, and
yawgmoth thran physician. I know
carrion feeder and
squirrel nest are being re-released but they are bound to be fun.
Answered prayers and charming vampire will be interesting,
answered prayers is a much better version of
ajani's welcome, although becoming a creature does make it possible to be removed and charming vampire will be a great addition to my vampire deck, kept getting it confused with
captivating vampire since the names are similar. yawgmoth in particular will be quite interesting going into three of my decks that deal with counters. i might try birthing boughs as a slow token generator. It seems like a worse version of
spawning pit minus the sacrifice aspect, but the mana needed to funnel into it makes it seem slow to me.