Must be Special Summoned by an “Apex Tamer” effect. Once per turn (Quickeffect): You can negate the effects of one card on the field. If your opponent controls a FIRE or DARK monster: ● This card gains 800 ATK. ● Your opponent cant target cards in their own Graveyard or Field. If this card has an Apex Tamer equipped: ● This card cannot be targeted by Spell/Trap effects.