Shanwen, Sadistic Coward

{b/r}: Shanwen, Sadistic Coward phases out. As
an additional cost pay {x} where X is the
number of +1/+1 counters on this card

When Shanwen, Sadistic Coward phases in,
put a +1/+1 counter on this card, deal 1 damage
to any target, and Enlist Hellknight X, where
x is the number of +1/+1 counters on this card.