Black Waltz, Returned

Black Waltz, Returned is Black, Blue and Red.
When Black Waltz, Returned enters the battlefield, choose 1 — Put 2 -1/-1 counters on
target creature or vehicle, or; deal 2 damage to
any target. You may pay 2 life. If you do; choose
both.
"I exist only to kill!"
"I exist only to kill!"
"I exist only to kill!"