Vampire Marauder

Doublestrike, Deathtouch
Whenever a creature dies put a +1/+1 counter on Vampire Marauder.
Whenever a creature gets sacrificed put a +1/+1 counter on target creature.
{w/b}, sacrifice Vampire Marauder put X +1/+1 counters on up to X creatures, where X is the number of +1/+1 counters on Vampire Marauder.