Caius the Shadow Monarch [TU03-EN000] Ultimate Rare SM169 Set: XY: Phantom Forces Type:

Set: XY: Phantom Forces Type: Supporter Rarity: Ultra Rare

You can remove from play this face-up card you control to return 1 removed from play "Skull Flame" to its owner's Graveyard

Set: XY: Generations Type: Grass Rarity: Common Retreat cost: Colorless

or 1 of your Equip Spells

which focuses on high-tech energy weapons

Caius the Shadow Monarch [TU03-EN000] Ultimate Rare SM169 Set: XY: Phantom Forces Type:Set: 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.