Dream Harvest (Lorwyn Eclipsed #371)

Sorcery - {5}{U/B}{U/B}
Each opponent exiles cards from the top of their library until they have exiled cards with total mana value 5 or greater this way. Until end of turn, you may cast cards exiled this way without paying their mana costs.
„Faeries swarm to snoring boggarts like vultures to rotting meat.“