Slifer the Sky Dragon [JUMP-EN061] Ultra Rare Super Rare reduce this card’s Level by

reduce this card’s Level by the sent monster's Level

and you send that target to the Graveyard

This card returns to the owner''s hand during the End Phase of the turn that this card is Normal Summoned

Set: Shonen Jump Magazine Promos Card type: Synchro/Tuner/Effect Monster Rarity: Ultra Rare Attack: 2100 Defense: 1700 1 Tuner + 1+ non-Tuner monster If this card is Synchro Summoned: You can send 1 monster from your Deck to the GY with a Level lower than this card's on the field

or card effects

Slifer the Sky Dragon [JUMP-EN061] Ultra Rare Super Rare reduce this card’s Level bySet: 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