The White Stone of Ancients

“Once per turn, during the End Phase, if this card is in the GY 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 GY, then target 1 "Blue-Eyes" monster in your GY; add it to your hand. You can only use this effect of "The White Stone of Ancients" once per turn.”