Gremlin Dismantler

Luddite (Whenever an artifact is put into a graveyard, you may untap this creature or put a +1/+1 counter on it.)
{1}, {t}: Gremlin Dismantler deals two damage to target artifact creature you don't control.
Discard an artifact: Scry X, where X is that artifact's converted mana cost. Draw a card.