Friend B

+1: Shuffle all libraries
-2: Friend B gets indestructible, phasing, and ward-5 life, discard 4 cards, sacrifice 3 nonland permanents, sacrifice 2 lands, reveal 1 card.
-8: You get an emblem with "All permanents casted by you are face down. Opponents know card types, power, toughness, counters, and state of them."