Heaven's Gate [Legends] RC24 when a monster effect is

when a monster effect is activated on your opponent's side of the field: You can detach 1 Xyz Material from this card

The effect of this card becomes the same as the Normal Spell Card

Set: Revised Edition Type: Enchantment Rarity: Rare Cost: {1}{U} You may have Copy Artifact enter the battlefield as a copy of any artifact on the battlefield

you must place it in face-down Defense Position

destroy the face-down monster immediately with this card's effect without flipping it face-up or damage calculation

Heaven's Gate [Legends] RC24 when a monster effect isSet: Legends Type: Instant Rarity: Uncommon Cost: {W} One or more target creatures become white until end of turn.