Harley Quinn, Street Reveler

Riot, Changeling, Partners with Poison Ivy
Clownin Around - {b}{r},{t} Place a Clown Nose
counter on target opponents creature.
Bomb Voyage! - {1}{b}{r},{t} Sacrafice target
creature you control, target opponent is dealt
damage equal to sacraficed creatures power.
"Oh my, what a big nose you have! Honk, Honk!"