Holy Nights Shiel
Level 4 LIGHT
Fairy / Effect
You can only use each of the   effects of this card once per turn.
 If this card is in your hand: You can return 1 “Holy Nights” or Level 7 LIGHT Dragon Monster you control, except “Holy Nights Shiel”, to your hand; Special Summon this card.
 If you control no monsters: You can banish this card from your GY; Special Summon 1 Level 7 LIGHT Dragon Monster from your hand.