Transmuter of Bolas

This spell can't be countered.
Hexproof, Deathtouch, Haste
{p/u}, {t}: Draw cards equal to the number of
creatures that have died this turn.
{p/b}, {t}: Destroy each creature with toughness less
than or equal to the amount of non-combat
damage dealt to each opponent this turn.
{p/r}, {t}: Deal damage to any target equal to the
number of cards you've drawn this turn.
{p/c}, {ut}: You lose 5 life.