Cephyr, Ruthless Tyrant

Haste, Hexproof, Lifelink, First Strike
You can look at the top card of any library at
any time.
When Cephyr, Cephyr, Ruthless Tyrant attacks,
each opponent exile the top card of each player's
library, then you may cast any number of cards
exiled this way without paying their mana costs.
{r/w}{u/b} : Each opponent puts the top card of his
or her library into their graveyard.