Full Armored Utopic Ray Lancer

3 Level 4 monsters
Once per turn, you can also Xyz Summon “Full Armored Utopic Ray Lancer” by discarding 1 Spell/Trap and using 1 Rank 4 or lower Xyz Monster you control. (Transfer its materials to this card.) Monsters your opponent controls lose 500 ATK. At the start of the Battle Phase: You can negate the effects of all Attack Position monsters your opponent currently controls. When this attacking card destroys an opponent’s monster by battle: You can detach 1 material from this card; it can make a second attack in a row.