Armed Dragon LV7 (UTR) (SOD-EN015) - Soul of the Duelist 1st Edition

This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by the effect of "Armed Dragon LV5". Send 1 monster card from your hand to the Graveyard to destroy all face-up monsters on your opponent's side of the field with an ATK equal to or less than the ATK of the sent monster.