Darktellarknight Batlamyus [INOV-EN051] Ultra Rare

2 Level 4 "tellarknight" monsters All face-up monsters on the field become DARK. You can detach 1 Xyz Material from this card and discard 1 card; Special Summon from your Extra Deck, 1 LIGHT "tellarknight" Xyz Monster by using this face-up card you control as the Xyz Material, also you cannot Xyz Summon other monsters for the rest of this turn. (This is treated as an Xyz Summon.