N.As.H. Knight

2 Level 5 monsters
Cannot be destroyed by battle if a "Number" monster is on the field. During the Main Phase (Quick Effect): You can detach 2 materials from this card; take 1 "Number" Xyz Monster that has a number between "101" and "107" in its name from your Extra Deck and attach it to this card as material, then you can attach 1 other face-up monster on the field to this card as material. You can only use this effect of "N.As.H. Knight" once per turn.