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
If your opponent also happens to be playing Shahrazads, then the chain can go on even further
Items can be used immediately and have passive or activated abilities
Numerous one-card combos go infinite, like The Red Terror or Heliod, the Sun-Crowned, and I bet you that most people you play with arent aware of them ahead of time
Lightning Helix Burn decks in several formats use Lightning Helix
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