Narille, Lord of Plague

Deathtouch, Double Strike, Landwalk (Swamp)
When Narille, Lord of Plague enters the battlefield, {x} creatures gain one -1/-2 counter
where {x} is equal to the number of
extra mana spent to cast Narille, Lord of Plague
{2}{b}: Target creature is Poisoned 1 (Target creature
gets one -0/-1 counter at the beginning of your
endstep as long as the poisoned creature is on the battlefield.)
"Slowly, Carefully, this is how a life is taken"
-Narille, Lord of Plague.