1 "Vanquish Soul" monster Cannot be used as Link Material. While you control a "Vanquish Soul" monster, your opponent's monsters can only target monsters you control with the highest ATK (their choice, if tied) for attacks. During the Main Phase (Quick Effect): You can activate 1 of these effects; • Special Summon 1 "Vanquish Soul" monster from your hand. •  Add 1 "Vanquish Soul" monster from your GY to your hand. You can only use this effect of "Rock of the Vanquisher" once per turn.