Slifer the Sky Dragon [BP02-EN127] Mosaic Rare Sea Serpent You cannot Summon other monsters

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

after damage calculation: Banish that opponent's monster

return that monster to the hand

inflict 500 damage to your opponent

except "Mekk-Knight Purple Nightfall"

Slifer the Sky Dragon [BP02-EN127] Mosaic Rare Sea Serpent You cannot Summon other monstersSet: Battle Pack 2: War of the Giants Card type: Effect Monster Rarity: Mosaic 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