Thunderforce Attack [EGS1-EN003] Ultra Rare XY167 during damage calculation (Quick Effect):

during damage calculation (Quick Effect): You can discard this card

Set: Dark Revelation Volume 1 Card type: Normal Spell Rarity: Common Attack: 0 Defense: 0 Add 1 Field Spell Card from your Deck to your hand

this card gains 200 ATK until the end of your opponent's turn

Set: Structure Deck: Lord of the Storm Card type: Quick Play Spell Rarity: Common Attack: 0 Defense: 0 Add all cards in your hand to your Deck and shuffle it

Set: HeartGold & SoulSilver: Undaunted Type: Grass Rarity: Holo Rare Retreat cost: Colorless

Thunderforce Attack [EGS1-EN003] Ultra Rare XY167 during damage calculation (Quick Effect):Set: Egyptian God Deck: Slifer the Sky Dragon Card type: Quick Play Spell Rarity: Ultra Rare This card's activation and effect cannot be negated. If you control a monster whose original name is "Slifer the Sky Dragon": Destroy as many face up monsters your opponent controls as possible, then, if you activated this card during your Main Phase, you can apply the following effect. Draw cards equal to the number of monsters destroyed by this effect and