Slifer the Sky Dragon (Secret Rare) [GBI-001] Secret Rare Flip/ Effect Monster Each player takes 1000 damage

Each player takes 1000 damage during each of their End Phases

except "The Grand Spellbook Tower"

Set: Pharaoh Tour Promos Card type: Toon/Effect Monster Rarity: Common Attack: 2000 Defense: 1700 Cannot be Normal Summoned/Set

Set: Shonen Jump Magazine Promos Card type: Effect Monster Rarity: Ultra Rare Attack: 3000 Defense: 2500 Cannot be Normal Summoned/Set

Unless you pay 500 Life Points

Slifer the Sky Dragon (Secret Rare) [GBI-001] Secret Rare Flip/ Effect Monster Each player takes 1000 damageSet: American God Cards Card type: Normal Monster Rarity: Secret Rare The heavens twist and thunder roars, signaling the coming of this ancient creature, and the dwan of true power.