Blackwing - Kalut the Moon Shadow [AP04-EN005] Super Rare BT9-031 but its original ATK becomes

but its original ATK becomes 1800

except for the Synchro Summon of a "Vylon" Synchro Monster

-From the Tales of the Noble Knights

Set: 2005 Collectors Tin Card type: Effect Monster Rarity: Secret Rare Attack: 1500 Defense: 1300 This effect is only active during the Battle Phase of your turn

Set: Release Special Booster Promos Card type: Digimon Rarity: Promo Digi type: Flame Play Cost: 2 Form: Rookie Attribute: Data Digivolve Cost: 0 Digivolve Cost Level: 2

Blackwing - Kalut the Moon Shadow [AP04-EN005] Super Rare BT9-031 but its original ATK becomesSet: Astral Pack 4 Card type: Effect Monster Rarity: Super Rare Attack: 1400 Defense: 100 During either player's Damage Step, when a "Blackwing" monster you control is attacking or being attacked: You can send this card from your hand to the Graveyard; that monster gains 1400 ATK until the End Phase.