Freddy Krueger, Nightmare

Haste, first strike, deathtouch, shroud
Shadow (This creature can block or be blocked by only creatures with shadow.)

Whenever Freddy Krueger, Nightmare
deals combat damage to a player, defending player sacrifices a creature.

Whenever a creature is sacrificed on your turn, put a +1/+1 counter on Freddy Krueger, Nightmare.