Kellai, Lord of the Damned

Deathtouch
Sacrifice a creature: Put two +1/+1 counters on Kellai, Lord of the Damned.
{1}{b}{b}, remove a +1/+1 counter from Kellai,
Lord of the Damned: Tap 2 target creatures this
turn.
"Roses are red, violets are blue. I hope you don't mind,
I'm gonna kill you!"