Van'Dalgyon The Dark Dragon Lord [YR01-EN001] Secret Rare Dark Revelation Volume 3 this card loses 500 ATK

this card loses 500 ATK and DEF (permanently)

Set: Force of the Breaker Card type: Effect Monster Rarity: Ultimate Rare Attack: 1600 Defense: 1500 You can discard this card to the Graveyard to add 1 "Necrovalley" from your Deck to your hand

it gains 400 ATK during the Damage Step only

Set: Shadow of Infinity Card type: Effect Monster Rarity: Ultimate Rare Attack: 1100 Defense: 600 This card's name is treated as "Cyber Dragon" while it is face-up on the field

Van'Dalgyon The Dark Dragon Lord [YR01-EN001] Secret Rare Dark Revelation Volume 3 this card loses 500 ATKSet: Yu Gi Oh! R Manga Promo Card type: Effect Monster Rarity: Secret Rare Attack: 2800 Defense: 2500 After a Counter Trap Card you control negates the activation of an opponent's card(s) or effect(s), you can Special Summon this card from your hand. Then activate the appropriate effects, based on the type of card negated: Spell: Inflict 1500 damage to your opponent. Trap: Select and destroy 1 card your opponent controls. Effect Monster: Select 1