Marrow, Morlock Warrior

Marrow, Morlock Warrior enters the battlefield
with X +1/+1 counters on it.
Amplify 1 (As this creature enters the battlefield, put
a +1/+1 counter on it for each Morlock card you
reveal in your hand.)
Scavenge {4}{b}{r} ({4}{b}{r}, Exile this card from
your graveyard: Put a number of +1/+1 counters
equal to this card's power on target creature. Scavenge
only as a sorcery.)