Vaylantz Dominator Duke

If "Vaylantz World - Konig Wissen" is in a Field Zone or if you control a FIRE "Vaylantz" monster: You can Special Summon this card to your Main Monster Zone in its same column. You can only use this effect of "Vaylantz Dominator Duke" once per turn.

You can target 1 Set card in the Spell & Trap Zone; that Set card cannot be activated this turn (even if this card leaves the field). If this card in the Monster Zone moves to another Monster Zone: You can target 1 face-up monster in your opponent's Main Monster Zone; take control of that face-up monster, but it cannot declare an attack nor activate its effects, also it is treated as a "Vaylantz" monster. You can only use each effect of "Vaylantz Dominator Duke" once per turn.