Slifer the Sky Dragon [MVP1-ENG57] Gold Rare Effect Monster while a monster is equipped

while a monster is equipped to it by this effect

This card's ATK and DEF become equal to the selected monster's original ATK and DEF

During your opponent's turn: You can Tribute this card

If the monster is a Flip Effect Monster

You can only use this effect of “Ride of the Valkyries” once per turn

Slifer the Sky Dragon [MVP1-ENG57] Gold Rare Effect Monster while a monster is equippedSet: The Dark Side of Dimensions Movie Pack: Gold Edition Card type: Effect Monster Rarity: Gold Rare Attack: ? Defense: ? 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. Once per turn, 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. If a