Xyz Avenger

This card is unaffected by the effects of Xyz Monsters. When this card is destroyed by battle with an Xyz Monster and sent to the Graveyard: Apply this effect, depending on the Rank of that monster. ? Rank 3 or lower: Your opponent sends 1 card from their Extra Deck to the Graveyard. ? Rank 4: Look at your opponent's Extra Deck and send 1 card from their Extra Deck to the Graveyard. ? Rank 5 or higher: Your opponent sends from their Extra Deck to the Graveyard, a number of cards equal to that monster's Rank.