Plagus, The Death Spreader

Creatures without Infect, Wither, Poisonous or Deathtouch gain a -1/-1 counter at the beginning
of their controls upkeep unless their control pay 1
life for each creature.
Whenever a creature with Infect, Wither,
Poisonous or Deathtouch you control deals
damage to player or deal lethal damage to a
creature or planes walker draw a card and lose
2 life
If you gain 10 Poison counters you win the game instead