"Two-Pronged Attack" targets 2 monsters you control and 1 monster your opponent controls. Destroying 2 of your monsters is not a cost.

A Quick-Play Magic Card and Trap Card can be activated even during Battle Phase except for the Damage calculationDamage Step was also known before as "Damage calculation" step., if its timing for activation is right. During Damage calculation, you can only use a Quick-Play Magic Card Trap Card that modifies the ATK and/or DEF.A new ruling from repeals this one. Also during the Battle Phase, Replay occurs only when the number of monsters is changed. Therefore, in this case, Replay is triggered when you activate this card during Battle Phase.^""

Elemental HERO Wildheart: This card is unaffected by the effects of Trap Cards, but it still may be the target of Trap Cards. For example, you can activate "Two-Pronged Attack" and target"Elemental Hero Wildheart", another of your monsters, and the opponent's monster. When "Two-Pronged Attack" resolves, the other 2 monsters will be destroy"Elemental Hero Wildheart" will remain on the field.

My Body as a Shield: "My Body as a Shield" will negate cards such as"Two-Pronged Attack"

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