Fiendsmith's Kyrie

This turn, your LIGHT Fiend monsters cannot be destroyed by battle, also any battle damage you take is halved. You can banish this card from your GY; Fusion Summon 1 "Fiendsmith" Fusion Monster from your Extra Deck, using monsters you control as material. You can also use monsters in your Spell & Trap Zone equipped to a "Fiendsmith" monster as Equip Spells. You can only use this effect of "Fiendsmith's Kyrie" once per turn.