Trong khi hiệu ứng của A Legendary Ocean đang áp dụng, làm giảm 1 Cấp độ của tất cả quái thú NƯỚC trên sân và trên tay, tôi có thể kích hoạt Trade-In bằng cách gửi xuống Mộ Nekroz of Trishula không?

WATER 9

You can Ritual Summon this card with any "Nekroz" Ritual Spell. Must be Ritual Summoned, without using any Level 9 monsters. You can only use each of these effects of "Nekroz of Trishula" once per turn. ● When a card or effect is activated that targets a "Nekroz" monster(s) you control (Quick Effect): You can discard this card; negate the activation. ● When this card is Ritual Summoned, you can: Banish exactly 3 of your opponent's cards, 1 each from their hand, field, and GY. (The card in the hand is chosen at random.)

Spell Normal

Discard 1 Level 8 monster; draw 2 cards.

Spell Field

(This card's name is always treated as "Umi".) All WATER monsters on the field gain 200 ATK/DEF. Reduce the Level of all WATER monsters in both players' hands and on the field by 1.