Morgan, the Enchantress of Avalon

When your opponent activates a card or effect, while you control a "Noble Knight" monster and a "Noble Arms" Equip Spell (Quick Effect): You can send this card from your hand to the GY; destroy 1 "Noble Arms" Equip Spell you control, and if you do, negate the activation. You can only use this effect of "Morgan, the Enchantress of Avalon" once per turn.

Spellcaster DARK Effect Monster 3 effect