Tome of Future Tales

Flash.
Read Ahead.
1 - Search your library for up to three cards, put
one of them in your hand. Suffle the library and
put the other two on top in any order.
2 - Reveal the top card of your library. If it's a
nonpermanent card, you may cast it without paying
it's mana cost. Otherwise, put into your hand.
3 - Each player chooses an artifact, a creature,
an enchantment, and a planeswalker from among
the nonland permanents he or she controls,
then sacrifices the rest.