Elvish Trap-Disarmer

Luddite (Whenever an artifact is put into a graveyard from the battlefield for the first time each turn, untap this creature, or tap this creature and put a +1/+1 counter on it.)
When Elvish Trap-Disarmer enters the battlefield, target player reveals his hand.
You choose an artifact card from it. That player discards that card.
{3}, {t}: Destroy target artifact.