Dragon's Gunfire (LOD-EN045) [Legacy of Darkness (Worldwide English)]

You can activate this card only when you have a face-up Dragon-Type monster on your side of the field. Select and activate 1 of the following effects:
<BR>• Inflict 800 points of damage to your opponent's Life Points.
<BR>• Destroy 1 face-up monster with a DEF of 800 points or less.