1 Tuner + 2+ non-Tuner monsters
When this card is Synchro Summoned: You can banish up to 3 cards your opponent controls. If this Synchro Summoned card in its owner's control is destroyed by an opponent's card: You can Special Summon 1 "Trishula, Dragon of the Ice Barrier" from your Extra Deck or GY, and if you do, its ATK becomes 3300, then the current ATK of any face-up monster your opponent controls becomes halved, also their effects are negated. You can only use this effect of "Trishula, Subzero Dragon of the Ice Barrier" once per turn.