The White Stone of Ancients [MP17-EN013] Ultra Rare Limited You can only use this

You can only use this effect of "Boot Sector Launch" once per turn

You can only use this effect of "Amazoness Spy" once per turn

if it was any of these

and in their Graveyards with their respective Decks and shuffle them

The White Stone of Ancients [MP17-EN013] Ultra Rare Limited You can only use thisSet: 2017 Mega Tins Mega Pack Card type: Tuner Effect Monster Rarity: Ultra Rare Attack: 600 Defense: 500 Once per turn, during the End Phase, if this card is in the Graveyard because it was sent there this turn: You can Special Summon 1 "Blue Eyes" monster from your Deck. You can banish this card from your Graveyard, then target 1 "Blue Eyes" monster in your Graveyard; add it to your hand. You can only use this effect of "The White Stone of Ancients"