Card Rulings:Tiras, Keeper of Genesis

OCG Rulings

 * "This card's effects can only be applied/resolved while it has Xyz Material." effect is not treated as an effect of the Effect Monster.


 * The "At the end of the Battle Phase, if this card attacked or was attacked: Target 1 card your opponent controls; destroy that target." effect targets 1 card your opponent control.


 * The "At the end of the Battle Phase, if this card attacked or was attacked: Target 1 card your opponent controls; destroy that target." effect still activates if you cannot target card your opponent's control.


 * When the effect of "Tiras, Keeper of Genesis" is activated during the End Phase, you cannot Detach Xyz Material from "Number 19: Freezadon" instead of "Tiras, Keeper of Genesis". Also, you cannot detach Xyz Material from "Number 19: Freezadon" during each of Standby Phase instead of "Number 30: Acid Golem of Destruction".


 * During the End Phase, if "Book of Moon" or "Enemy Controller" is chained to this card's activaction, when "Book of Moon" changed it to face-down or if your opponent takes control of "Tiras, Keeper of Genesis", the effect still resolves and the controller detach 1 Xyz Material from this card.


 * If this card has no Xyz Material, the "At the end of the Battle Phase, if this card attacked or was attacked: Target 1 card your opponent controls; destroy that target." effect still activates, but it does not resolves. The "During each of your End Phases: Detach 1 Xyz Material from this card." effect also still activates, but it does not resolve.