Slifer the Sky Dragon (Quarter Century Secret Rare) (RA04-EN117) - Quarter Century Stampede 1st Edition Condition:Heavily Played Card TextA monster equipped with

Card TextA monster equipped with this card increases its ATK by 1000 points

You can only activate 1 "Dark Corridor" per turn

Card TextFusion Summon 1 Fusion Monster from your Extra Deck that lists a "Destiny HERO" monster as material

ATK / DEF2300 / 2200

Slifer the Sky Dragon (Quarter Century Secret Rare) (RA04-EN117) - Quarter Century Stampede 1st Edition Condition:Heavily Played Card TextA monster equipped withTypeDivine Beast Effect Monster AttributeDIVINE Level Rank10 Card TextRequires 3 Tributes to Normal Summon (cannot be Normal Set). This card's Normal Summon cannot be negated. When Normal Summoned, cards and effects cannot be activated. Once per turn, during the End Phase, if this card was Special Summoned: Send it to the GY. Gains 1000 ATK DEF for each card in your hand. If a monster(s) is Normal or Special Summoned to your opponent's field in Attack