Cast Morality Shift by paying ({5} magic symbol) ({B} magic symbol) ({B} magic symbol) , exchanging your graveyard and library.
Syr Konrad triggers once for each creature card that left your graveyard and once for each creature card put into your graveyard; Gaea's Blessing also triggers.
Resolve Gaea's Blessing's trigger, shuffling your graveyard into your library.
Syr Konrad triggers an additional time for each creature card that left your graveyard.
Resolve all of Syr Konrad's triggers, dealing 1 damage to each opponent for each one.