Cherubidamn Irisfiel

2 Level 8 monsters Once per turn, you can also Xyz Summon "Cherubidamn Irisfiel" by using 1 Xyz Monster you control that has not activated its effect in the Monster Zone this turn (transfer its materials). If this card is Xyz Summoned: You can activate this effect; this turn, Xyz Monsters you control gain ATK equal to their own Rank x 100 during the Battle Phase only. If this card would be destroyed by battle or card effect, you can detach 1 material from a monster you control instead. You can only use this effect of "Cherubidamn Irisfiel" once per turn.