When this card is activated: Place 1 "Vaylantz" Field Spell from your Deck face-up in your opponent's Field Zone, except "Vaylantz World - Konig Wissen". If there are 2 cards in the Field Zones: The turn player can target 1 Effect Monster in the opponent's Main Monster Zone, in the same column as one of the monsters they control; they place that opponent's monster face-up as a Continuous Spell in their Spell & Trap Zone in its same column. (If the zone is occupied, destroy the occupying card.) The turn player can only use this effect of "Vaylantz World - Konig Wissen" once per turn.