Card Rulings:Qliphort Shell

OCG Rulings

 * "If this card was Tribute Summoned by Tributing a "Qliphoth" monster, it can make a second attack during each Battle Phase, also if it attacks a Defense Position monster, inflict piercing battle damage to your opponent." effect is a Continuous Effect. (It is only applied if this card was Tribute Summoned by Tributing 1 or more "Qliphoth" monsters.)