Ignorant Bliss

Instant

Exile all cards from your hand face down. At the beginning of the next end step, return those cards to your hand, then draw a card.

2006-05-01:
No player may look at the cards while they’re face down.
2006-05-01:
If you cast this during the End step, you won’t return the cards to your hand or draw a card until the next turn’s End step.
2006-05-01:
If the delayed triggered ability is countered (for example, with Voidslime), the cards remain exiled forever.