Morwyn, Ulvenwald Shaman

Haste
At the beginning of combat on your turn,
put X +1/+1 counters on another target creature
you control, where X is the number of card types
among cards in your graveyard.
{b}{r}{t} Sacrifice another creature: Morwyn,
Ulvenwald Shaman deals damage equal to the sacrificed creature's power to any target.