Majestic Mech - Goryu (SDRL-EN017) - Structure Deck: Rise of the Dragon Lords 1st Edition

You can Normal Summon this card by Tributing 1 monster. If you Normal Summon it this way, it is sent to the Graveyard during the End Phase. During battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card, inflict the difference as Battle Damage to your opponent's Life Points.