Archfiend of Gilfer - Flame Attack

During the Main Phase (Quick Effect): You can send this card from your hand to the GY; draw 1 card, then discard 1 card, also all monsters your opponent controls lose 500 ATK this turn. When a monster is destroyed by battle involving your Fiend monster, while this card is in your GY: You can Special Summon this card, but banish it when it leaves the field. You can only use each effect of "Archfiend of Gilfer - Flame Attack" once per turn.