Mesmer, the Impaler

First Strike, Menace

Empaling Retribution: Whenever Mesmer, the Impaler attacks, each opponent sacrifices a creature. For each creature sacrificed this way, put a +1/+1 counter on Mesmer.

Bloodlust of the Impaler: At the beginning of your end step, if three or more creatures died this turn, draw a card and gain 2 life.