Noble Knight Drystan (NKRT-EN008) [Noble Knights of the Round Table Box Set]

While you control another "Noble Knight" monster, your opponent cannot target your monsters with less than 1800 ATK, except this card, for attacks or with card effects. When a "Noble Arms" Equip Spell Card is equipped to this card: Target 1 face-up card on the field; destroy that target. You can only use this effect of "Noble Knight Drystan" once per turn.