Kheiron the Star Knight

[ Fiend / Effect ] [REQUIREMENT]If your opponent has a monster on their field, send the top card of your Deck to the Graveyard. [EFFECT] Choose 1 face-up Level 5 or higher Fiend Type monster on your field. If it attacks a Defense Position monster this turn, inflict piercing battle damage (if the ATK of the attacking monster exceeds the DEF of the attack target, inflict the difference). ATK/ 2300 DEF/ 1800