Destiny HERO - Dynatag (Super Rare)

During damage calculation, when you would take battle damage (Quick Effect): You can discard this card, make yourself take no battle damage from that battle, and if you do, each player takes 1000 damage. You can banish this card from your GY, then target 1 "Destiny HERO" monster you control, it gains 1000 ATK until the end of your opponent's next turn.