Slifer the Sky Dragon [PGLD-EN032] Gold Secret Rare Vol. 2 If it has no digivolution

If it has no digivolution cards， or becomes a level 3 Digimon， you can't trash any more cards

that target loses ATK and DEF equal to the ATK and DEF of the "Burning Abyss" monster sent to the Graveyard this way

then target 1 Set card your opponent controls

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

Slifer the Sky Dragon [PGLD-EN032] Gold Secret Rare Vol. 2 If it has no digivolutionSet: Premium Gold Card type: Effect Monster Rarity: Gold Secret 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. 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