Szeth, Assassin in White

+1: Target creature you control gains soulslayer until your next upkeep. Another target creature you control gains deathtouch until your next upkeep.
-1: Target opponent reveals the top 4 cards of their library. You choose any number of them. That player puts the chosen cards into their graveyard.
-6: You get a emblem with "Whenever a creature you control becomes untapped, you may exile target permanent".