Sharp Point Revenger, Shadow Lancer

:[Choose a grade 3 Shadow Paladin from your hand, and discard it] When this unit is placed on , if you have a Shadow Paladin vanguard, you may pay the cost. If you do, search your deck for up to one card named "Illusionary Revenger, Mordred Phantom", reveal it to your opponent, put it into your hand, and shuffle your deck.