Slifer the Sky Dragon [JMPS-EN005] Ultra Rare Ultra Rare This card's maximum number of

This card's maximum number of attacks per turn equals the number of non-Tuner monsters used as its Synchro Material

this card can attack your opponent directly

If this face-up card you control leaves the field because of an opponent's card effect: You can add 1 "Omega Summon" from your Deck to your hand

You can not Summon other monsters the turn you activate this card (but you can Normal Set )

Slifer the Sky Dragon [JMPS-EN005] Ultra Rare Ultra Rare This card's maximum number ofSet: 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