Name:Knowledge Exploitation
ManaCost:5 U U
Types:Tribal Sorcery Rogue
A:SP$ ChangeZone | Cost$ 5 U U | ValidTgts$ Opponent | Origin$ Library | Destination$ Library | ChangeType$ Instant,Sorcery | ChangeNum$ 1 | RememberChanged$ True | Reveal$ True | Shuffle$ False | DefinedPlayer$ Targeted | Chooser$ You | Mandatory$ True | SubAbility$ DBPlay | StackDescription$ Search {p:Targeted}'s library for an instant or sorcery card | SpellDescription$ Search target opponent's library for an instant or sorcery card. You may cast that card without paying its mana cost. Then that player shuffles his or her library.
A:SP$ ChangeZone | Cost$ 3 U | Activation$ Prowl | ValidTgts$ Opponent | Origin$ Library | Destination$ Library | ChangeType$ Instant,Sorcery | ChangeNum$ 1 | RememberChanged$ True | Reveal$ True | Shuffle$ False | PrecostDesc$ Prowl {3}{U} | DefinedPlayer$ Targeted | Chooser$ You | Mandatory$ True | SubAbility$ DBPlay | StackDescription$ Search {p:Targeted}'s library for an instant or sorcery card | SpellDescription$ (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.)
SVar:DBPlay:DB$ Play | Defined$ Remembered | Controller$ You | WithoutManaCost$ True | Optional$ True | SubAbility$ DBShuffle
SVar:DBShuffle:DB$ Shuffle | Defined$ RememberedController | SubAbility$ DBCleanup
SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
SVar:RemAIDeck:Rare
SVar:Picture:http://www.wizards.com/global/images/magic/general/knowledge_exploitation.jpg
Oracle:Prowl {3}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.)\nSearch target opponent's library for an instant or sorcery card. You may cast that card without paying its mana cost. Then that player shuffles his or her library.