Dalnu'Gul, Living Fortress

Flying, Defender
Other creatures you control with defender gain
vigilance and can attack as though they didn't
have defender.
{3}{t}, Sacrifice an artifact you control.
Create a 3/3 artifact creature token with flying
and defender.
{5}{t}, Sacrifice an artifact that you control, put
five +1/+1 counters on target artifact that
has defender.