Caius the Shadow Monarch [TU03-EN000] Ultimate Rare Dark Revelation Volume 4 you may discard a red

you may discard a red card

Set: Cybernetic Revolution Card type: Normal Spell Rarity: Ultimate Rare Pay 1000 Life Points

Set: Retro Pack 1 Card type: Counter Trap Rarity: Super Rare Pay half your Life Points

based on the number of "Crystal Beast" monsters in your Spell & Trap Card Zone

this card's Level becomes the same as that monster's

Caius the Shadow Monarch [TU03-EN000] Ultimate Rare Dark Revelation Volume 4 you may discard a redSet: Turbo Pack: Booster Three Card type: Effect Monster Rarity: Ultimate Rare Attack: 2400 Defense: 1000 When this card is Tribute Summoned, remove from play 1 card on the field. If it was a DARK Monster Card, inflict 1000 damage to your opponent.