Raviel, Lord of Phantasms [DR04-EN123] Ultra Rare PS2 Yugioh GX The Beginning of Destiny the attacking monster gains 1000

the attacking monster gains 1000 ATK during damage calculation only

you can discard 1 DARK monster to send 1 DARK monster from your Deck to the Graveyard

"Frog" monsters

"Curse of the Masked Beast"

When this card is destroyed by battle and sent to the Graveyard

Raviel, Lord of Phantasms [DR04-EN123] Ultra Rare PS2 Yugioh GX The Beginning of Destiny the attacking monster gains 1000Set: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Ultra Rare Attack: 4000 Defense: 4000 This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by Tributing 3 Fiend Type monsters. Each time your opponent Normal Summons a monster(s), Special Summon 1 'Phantasm Token' (Fiend Type DARK Level 1 ATK 1000 DEF 1000). These tokens cannot declare an attack. Once per turn, you can Tribute 1 monster to have this card