Plague Spewer Witch

Reach, Trample, Contagious
Plague Spewer Witch can't be blocked by
creatures with power 2 or less.
{b}{g}, Pay 1 life: Creatures you control with Contagious get +1/+0 until end of turn.
{b}{r}, Pay 1 life: Creatures your opponents
control with Contagious get -1/-0 until
end of turn.