Cannot be Normal Summoned Set. Must be Special Summoned with Assault Mode Activate . You can only use each of the following effects of T.G. Halberd Cannon Assault Mode once per turn.
• When your opponent would Summon a monster (Quick Effect): You can negate the Summon, and if you do, banish that monster and all Special Summoned monsters your opponent controls.
• When this card on the field is destroyed: You can target 1 T.G. Halberd Cannon in your GY; Special Summon it, ignoring its Summoning conditions.