Caius the Shadow Monarch

Level 6 DARK/Fiend Effect Monster
2400 ATK / 1000 DEF

If this card is Tribute Summoned: Target 1 card on the field; banish that target, and if you do, inflict 1000 damage to your opponent if it is a DARK monster.

Rulings – Yugipedia

Printings:

The Dark Emperor Structure Deck: SDDE-EN001 (Ultra Rare) - 2008-04-02
Gold Series 2009: GLD2-EN033 (Gold Rare) - 2009-04-21
Turbo Pack: Booster Three: TU03-EN000 (Ultimate Rare) - 2010-07-10
Battle Pack: Epic Dawn: BP01-EN018 (Rare) - 2012-05-24
Battle Pack: Epic Dawn: BP01-EN018 (Starfoil Rare) - 2012-05-24
Duelist League 15 participation cards: DL15-EN006 (Rare) - 2012-12-15
Premium Gold: PGLD-EN066 (Gold Rare) - 2014-03-28
Emperor of Darkness Structure Deck: SR01-EN004 (Common) - 2016-01-28
OTS Tournament Pack 19: OP19-EN004 (Super Rare) - 2022-06-15
OTS Tournament Pack 19 (POR): OP19-PT004 (Super Rare) - 2022-06-15
Quarter Century Bonanza: RA03-EN194 (Platinum Secret Rare)
Quarter Century Bonanza: RA03-EN194 (Quarter Century Secret Rare)

Prices:

Cardmarket: 2.33 €
TCGplayer: $ 3.54