Number 49: Fortune Tune (Secret Rare)

2 Level 3 monsters During each of your Standby Phases: Gain 500 Life Points. This card cannot be targeted by card effects. If this face-up card would be destroyed, you can detach 1 Xyz Material from this card instead. When this card is sent from the field to the Graveyard: Target 2 Level 3 monsters in your Graveyard, shuffle them both into the Deck, and if you do, return this card from your Graveyard to the Extra Deck. You can only use this effect of "Number 49: Fortune Tune" once per turn.