Moonlight Butterfly

Flying.
Moonlight Butterfly enters the battlefield
with four -1/0 counters and two 0/-1 counters on
it. When Moonlight Butterfly attacks, remove a
-1/0 counter from it.
{g/u}: Move a 0/-1 counter to target creature.
{t}: Add two -1/0 counters and one 0/-1 counter
to Moonlight Butterfly.
Moonlight Butterfly cannot attack if it has no
-1/0 counters on it and cannot block if it has
no 0/-1 counters on it.