Raviel, Lord of Phantasms [DR04-EN123] Ultra Rare PS2 Yugioh GX The Beginning of Destiny you can discard 1 DARK

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

"Frog" monsters

"Curse of the Masked Beast"

then target 1 monster on the field

Raviel, Lord of Phantasms [DR04-EN123] Ultra Rare PS2 Yugioh GX The Beginning of Destiny you can discard 1 DARKSet: 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