Apply these effects, in sequence, based on the number of "Ice Barrier" Synchro Monsters with different names you control.
● 1+: Banish 1 card your opponent controls.
● 2+: Banish 1 card from your opponent's GY.
● 3+: Banish 1 random card from your opponent's hand.
When your opponent activates a card or effect that targets an "Ice Barrier" Synchro Monster(s) you control: You can banish this card from your GY; negate that effect. You can only use each effect of "Pulse of Trishula" once per turn.