Slifer the Sky Dragon [PGLD-EN032] Gold Secret Rare DP25 you can also Xyz Summon

you can also Xyz Summon this card by using a "tellarknight" Xyz Monster you control as the Xyz Material

this card's Level becomes the sent monster's

when an opponent's DARK monster activates its effect: You can detach 1 Xyz Material from this card

Set: The Lost Art Promotion Card type: Normal Monster Rarity: Ultra Rare Attack: 200 Defense: 300 A forbidden right leg sealed by magic

Slifer the Sky Dragon [PGLD-EN032] Gold Secret Rare DP25 you can also Xyz SummonSet: Premium Gold Card type: Effect Monster Rarity: Gold Secret Rare Requires 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. During the End Phase, if this card was Special Summoned: Send it to the Graveyard. This card gains 1000 ATK and DEF for each card in your hand. When a monster(s) is Normal or Special Summoned to your opponent's side of