Lividus, the Provoked

Flying, trample
{p/g}:Target opponent sacrifices a nonland
permanent. Lividus gets +1/+1 until
end of turn for each permanent sacrificed this
way. (Activate only when Lividus attacks and only
once for each opponent you have.)
{b/r}{b/r}: At the end of turn, Lividus gets a
+1/+1 counter for each permanent sacrificed
by opponents this turn. Any opponent may
pay 2 life to remove a counter placed
this way.