Slifer the Sky Dragon [JUMP-EN061] Ultra Rare BT7-112 during that damage calculation only

during that damage calculation only

you may pay 1 memory to place this card under that Digimon as its bottom digivolution card

Set: Battle of Omni Pre-Release Promos Card type: Digimon Rarity: Uncommon Digi type: Unidentified Play Cost: 6 Form: Champion Attribute: Virus Digivolve Cost: 2 Digivolve Cost Level: 3 [Security] At the end of the battle

Set: Digital Hazard Card type: Digi-Egg Rarity: Uncommon Digi type: Lesser Form: In-Training [When Attacking][Once Per Turn] If this Digimon has [Guilmon]

it gains 700 ATK until the end of this turn (even if this card leaves the field)

Slifer the Sky Dragon [JUMP-EN061] Ultra Rare BT7-112 during that damage calculation onlySet: 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