[CPF1] The Tripping Mercury

WATER/LV8/Aqua/Effect/2000/2000
1. When this card is Tribute Summoned: You can change all monsters on the field to face-up attack position.
2. You can Tribute 3 monsters to Summon this card.
3. If this card was summoned by Tributing 3 Monsters, Decrease the ATK of all monsters your opponent controls by their original ATK.
4. This card can attack twice during each Battle Phase.