Armed Dragon LV5 (SGX1-ENC07) [Speed Duel GX: Duel Academy Box]

You can send 1 monster from your hand to the GY, then target 1 monster your opponent controls with ATK less than or equal to the sent monster's ATK; destroy that target. During the End Phase, if this card destroyed a monster by battle this turn: You can send this card to the GY; Special Summon 1 "Armed Dragon LV7" from your hand or Deck.