You can Ritual Summon this card with 'Song of Blessing'.
You can only use the effect of 'Ryuukishin Saphira' once per turn. During the End Phase of the turn this card is Ritual Summoned OR during the End Phase of the turn a LIGHT monster is sent from your hand or Deck to the Graveyard while this card was face-up: You can activate 1 of the following effects;
● Draw 2 cards, then discard 1 card.
● Discard 1 random card from your opponent's hand.
● Add 1 LIGHT monster from your Graveyard to your hand.
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