Seikon no Qwaser's Sasha {rate at will}

[BlackWindDragon]

If this card battles a Machine-Type monster, destroy that monster without applying damage calculation, and equip the destroyed monster to this card. This card gains 300 ATK for each card equipped to it. Once per turn, you can destroy 1 Monster Card equipped to this card to inflict 1500 damage to your opponent. This card cannot declare an attack if you used this effect this turn.

[BlackSkullCortez]

OCG corrected: If this card battles a Machine-Type monster, destroy that monster without applying damage calculation, and equip the destroyed monster to this card. This card gains 300 ATK for each card equipped to it. Once per turn, you can destroy 1 Monster Card equipped to this card to inflict 1500 damage to your opponent. This card cannot declare an attack if you used this effect this turn.

[BlackWindDragon]

thanks for the correction