Crush Card Virus

As an additional cost to cast this spell sacrifice a black creature with power 1 or less.
Prevent all damage done to your opponents until end of turn.
Reveal target opponent's hand, then discard all creatures in their hand with power 2 or greater.
Destroy all creatures that opponent controls with power 2 or greater.
Target opponent searches their library for 3 creatures with power 2 or greater and puts them in their graveyard.