Breakthrough Skill [SDLI-EN035] Common Fiend this card cannot be destroyed

this card cannot be destroyed by an opponent's card effect

It does not have to activate its effects during the End Phase to shuffle itself into the Extra Deck

if this card battled: You can send 1 "Sky Striker" card from your Deck to the GY

You must control this face-up card to activate and to resolve this effect

If the equipped monster you control would detach its Xyz Material to activate its effect

Breakthrough Skill [SDLI-EN035] Common Fiend this card cannot be destroyedSet: Structure Deck: Realm of Light Card type: Normal Trap Rarity: Common Target 1 face up Effect Monster your opponent controls; negate the effects of that opponent's face up monster, until the end of this turn. During your turn, except the turn this card was sent to the Graveyard: You can banish this card from your Graveyard, then target 1 face up Effect Monster your opponent controls; negate that target's effects until the end of this turn.