Card Rulings:Singularity

• You cannot Xyz Summon this card by using 1 Level 1 FIRE Monster and 1 Level 1 FIRE monster that is also treated as a LIGHT Monster, unless the former is also Treated as LIGHT Monster, but You can Xyz Summon this card by using 1 Level 1 FIRE Monster and 1 Level 1 DARK Monster that becomes a FIRE Monster.