Skill Drain [TU08-EN001] Ultra Rare Star Pack 2014 if you have no cards

if you have no cards in your Spell & Trap Card Zone: You can detach 1 Xyz Material from this card

You can remove from play all other DARK monsters you control and from your Graveyard to have this card gain 500 ATK for each card removed

(Transfer its materials to this card

Set: Tactical Evolution Card type: Effect Monster Rarity: Secret Rare Attack: 1000 Defense: 900 You can Tribute 1 EARTH monster to destroy all face-up monsters with a DEF equal to or less than the ATK of the Tributed card

Skill Drain [TU08-EN001] Ultra Rare Star Pack 2014 if you have no cardsSet: Turbo Pack: Booster Eight Card type: Continuous Trap Rarity: Ultra Rare Attack: 0 Defense: 0 Activate by paying 1000 Life Points. The effects of all face up monsters on the field are negated while those monsters are face up on the field (but their effects can still be activated).