If this card is in your hand or GY and you control a LIGHT "Tistina" monster: You can Special Summon this card. You can target 1 "Tistina" monster or 1 face-down card you control; destroy it, then add 1 "Tistina" card from your Deck to your hand. You can only use each effect of "Sentinel of the Tistina" once per turn.
