Sway of the Stars by paying ({8} magic symbol) ({U} magic symbol) ({U} magic symbol) , causing each player to shuffle their hand, graveyard and all permanents they own into their library, then causing each player to draw seven cards and set their life total to 7.
Syr Konrad triggers for each creature card that leaves your graveyard this way, dealing at least 7 damage to each opponent.
Each opponent loses the game due to having 0 life.
Results
Each opponent loses the game.
Near-infinite lifeloss for all players.
Shuffle all hands, graveyards and permanents on the battlefield into their owner's library.