You can Ritual Summon this card with any Nekroz Ritual Spell Card. Must be Ritual Summoned without using any Level 9 monsters, and cannot be Special Summoned by other ways. You can only use each of these effects of Nekroz of Trishula once per turn.
• During either player s turn, when a card or effect is activated that targets a Nekroz monster(s) you control: 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 Graveyard. (The card in the hand is chosen at random.)