Affan, Strings of Trickery

Shroud.
Affan, Strings of Trickery cannot be blocked.
When Affan, Strings of Trickery deals damage to
a player, reveal the top 5 cards of that player's
library. You may cast one spell from the
revealed cards without paying it's mana cost.
All other cards revealed this way are put into the graveyard.