Duergar Enforcer

When Duergar Enforcer enters the battlefield, you may search your library for a card named "Duergar's Trap" or "Duergar's Ambush", reveal it, and put it into your hand. If you do, shuffle your library.
Deathtouch
Sacrifice a creature: Duergar Enforcer deals damage equal to the sacrificed creature's power to any target.