Realistically, you're likely to pass it to another layer and never get it back, granting your opponents an advantage, which is always a bad idea
The goal is to sacrifice a persist creature infinitely to Altar of Dementia to mill our opponent's entire deck, causing our opponent to lose when they draw a card on their draw step
If your opponent also happens to be playing Shahrazads, then the chain can go on even further
Cast it on a later turn for its foretell cost.) Because exiling a card with foretell from your hand is a special action, you can do so any time you have priority during your turn, including in response to spells and abilities
10 Secret Lair X The Princess Bride A Fun, Flavorful Secret Lair Drop
Christopher Robin, Hunny Sage is dual-ink Amethyst/Sapphire