Metal Detector

{t}{3}: Gain control of target artifact and attach it
to this card. You may activate the abilities of that
artifact while it is attached to this card. Use only
if no artifact is attached to this card.
{t}: Sacrifice an artifact attached to this card,
search your library for an evidence card and
put it in your hand.
Evidence 3: If you control 3 evidence cards place
the evidence card on the battlefield instead.
"Makes a noise when metallic objects are near.
A useful detection device."