1st gen yugioh deck Yu-Gi-Oh! Pegasus Starter (2003) Complete Set Ultra Rare Attack Yu-Gi-Oh: Yugi/Kaiba Starter [1st Edition]

Once it is on the field, you get a negate you can use on other cards that hit the field

Marketplace TCGplayer Sets Marketplace Cardmarket Sets Market Trend Price History Deck Usage & Meta Stats Public deck and tournament usage for Caius the Shadow Monarch

Would that happen in a duel video, then I will edit this list as well

Asceticism: Can be searched by the Asceticism target, and in this build, there are many monsters that work with it, and there's no turn limit, so you can use as many as you want

C Common Legendary Fiend X DARK Level 6 [ FiendEffect ] ATK 1500 DEF 1800 Once per turn, during your Standby Phase: This card gains 700 ATK