Number 80: Rhapsody in Berserk [AP06-EN010] Super Rare Slifer the Sky Dragon your “Valkyrie” monsters cannot be

your “Valkyrie” monsters cannot be destroyed by battle this turn

You can only use this effect of "Darklord Tezcatlipoca" once per turn

The other Synchro Material(s) cannot be Level 4

also Dragon-Type monsters in your opponent's possession cannot activate their effects

Traps and other monsters' effects cannot be activated

Number 80: Rhapsody in Berserk [AP06-EN010] Super Rare Slifer the Sky Dragon your “Valkyrie” monsters cannot beSet: Astral Pack 6 Card type: Xyz Effect Monster Rarity: Super Rare Attack: 0 Defense: 1200 2 Level 4 monsters You can target 1 face up Xyz Monster you control; equip this monster you control to that target. It gains 1200 ATK. You can detach 1 Xyz Material from this card, then target 1 card in your opponent's Graveyard; banish that target. You can use this effect of "Number 80: Rhapsody in Berserk" up to twice per turn.