Armed Dragon LV5 (DR3-EN014) - Dark Revelation Volume 3 Unlimited

By sending 1 Monster Card from your hand to the Graveyard, destroy 1 face-up monster on your opponent's side of the field with an ATK equal to or less than the ATK of the sent monster. During the End Phase of a turn that this card destroyed a monster by battle, by sending this card to the Graveyard, Special Summon 1 "Armed Dragon LV7" from your hand or Deck.