Apple Roulette! (MP01-026 SR) [Masterpiece "Pilgrim-Memories"]

Shuffle any number of cards named “Poison Apple” from your hand or graveyard into your deck. If you do, repeat the following process X times, where X is the number of cards moved to your deck this way. Put the top card of your deck into your graveyard and check if its total cost is even or odd. if it is a chant with “Apple” in its name, you may destroy a non-magic stone entity. - Even - This card deals 500 damage to your opponent. - Odd - This card deals 500 damage to you.