Servant to Sloth

Flying, Servant to Sloth cannot attack or block.
Whenever Servant to Sloth attacks tap up to
three target creatures your opponent controls
and one target untapped creature you control.
{1}{u}: Servant to Sloth can attack this turn.
{3}{b}: Servant of Sloth gains indestructible until
end of turn. You may only activate this ability if Servant of Sloth is tapped.