Slifer the Sky Dragon [JMPS-EN005] Ultra Rare Darkness[+10] Set: Platinum: Base Set Type:

Set: Platinum: Base Set Type: Fighting Rarity: Holo Rare Retreat cost: Colorless

creatures you control have first strike and equip abilities you activate cost {1} less to activate

you can send 1 monster from your hand to the Graveyard to take control of 1 face-up monster your opponent controls with the same Level as the sent monster

but I can assure you

Slifer the Sky Dragon [JMPS-EN005] Ultra Rare Darkness[+10] Set: Platinum: Base Set Type:Set: Shonen Jump Magazine Promos Card type: Effect Monster Rarity: Ultra 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