During your opponent s turn, if this card is in your hand or GY (Quick Effect): You can target 1 Centur-Ion monster you control, except Centur-Ion Emeth VI ; place it in your Spell & Trap Zone as a face-up Continuous Trap, and if you do, Special Summon this card, also you cannot Special Summon Centur-Ion Emeth VI for the rest of this turn. During the Main Phase, if this card is a Continuous Trap: You can Special Summon this card. You can only use each effect of Centur-Ion Emeth VI once per turn.