Gagaga Cowboy [AP05-EN002] Ultimate Rare Machine If you negate an effect

If you negate an effect this way

Face-up Level 4 Normal Monsters on the field cannot be destroyed by card effects

You can only use each effect of "Witchcrafter Madame Verre" once per turn

but this effects are negated

Gagaga Cowboy [AP05-EN002] Ultimate Rare Machine If you negate an effectSet: Astral Pack 5 Card type: Xyz Effect Monster Rarity: Ultimate Rare Attack: 1500 Defense: 2400 2 Level 4 monsters Once per turn: You can detach 1 Xyz Material from this card; apply this effect, depending on this card's battle position. Attack Position: If this card attacks an opponent's monster this turn, it gains 1000 ATK and the opponent's monster loses 500 ATK, during the Damage Step only. Defense Position: Inflict 800 damage to your opponent.