Phil Brunson, The Gambler

Trample, Vigilance, Reach
{r}{g}{t} All players exile the top card of their library. Pick one of the exiled cards at random.
You may cast that spell until end of turn.
If it was your card you may cast it without paying its mana cost. If you do not cast the exiled card, the owner of the card may cast the card for {5}.