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.)