You can send 1 monster from your hand to the Graveyard to select 1 face-up monster your opponent controls with ATK less than or equal to the ATK of the sent monster, and destroy the selected monster. During the End Phase of the turn this card destroys a monster by battle, you can send this face-up card from the field to the Graveyard to Special Summon 1 "Armed Dragon LV7" from your hand or Deck.