Rearranging the letters of 'The idle savant' (Idle minds) gives:
Satan the Devil.
(by Jim Banholzer) (2014) (pending approval)
Other related anagrams without their own page:
"In-A-Gadda-Da-Vida" -> "I add Dad a vagina." (by Jim Banholzer) (2017) (pending approval)
"Choices between good and evil" -> "And between choices, I love God." (by Jim Banholzer by hand) (2016) (pending approval)
"Important choices between good and evil" -> "And between important choices, I love dog." (by Jim Banholzer by hand) (2017) (pending approval)
"Ongoing important choices between good and evil." -> "And between ongoing important choices, I Love God." (by Jim Banholzer by hand) (2017) (pending approval)
"Let there be light!" -> "Get the tribe hell." (by unknown) (2015) (pending approval)
"Good Evil" -> "I Love God." (by Jim Banholzer) (2009) (pending approval)
"Garden of Eden" -> "Fond renegade." (by Heather Anne Downs) (2011) (pending approval)
"Garden of Eden" -> "Dragon den fee." (by Heather Anne Downs) (2011) (pending approval)
"Garden of Eden" -> "Defend orange." (by Heather Anne Downs) (2011) (pending approval)
"Garden of Eden" -> "Feed on Danger." (by Timmy by hand) (2011) (pending approval)
"Severe anagram addict" -> "Advanced a grim teaser." (by Jim Banholzer) (2015) (pending approval)
"Make fun anagrams" -> "Manage fun karmas." (by Jim Banholzer) (2015) (pending approval)
"Man and Woman United" -> "Unwed Man: Damnation." (by Jim Banholzer) (2018) (pending approval)
"Value oft in moon" -> "Mountain of love." (by Jim Banholzer) (2017) (pending approval)
"Leave a good / evil shrine." -> "Heaven is real & I love God." (by Jim Banholzer) (2017) (pending approval)
"The fruit of the tree of knowledge of good and evil" -> "The deflowering of Eve: the nude fat girl took food." (by Judson T. Pewther using Anagram Genius) (2009) (pending approval)
"Marg, Ana draw K-cab" -> "Backward anagram." (by Jim Banholzer by hand) (2017) (pending approval)
"No masterful anagram jerk?" -> "Earn jag mark on male's turf." (by Jim Banholzer by hand) (2017) (pending approval)
"Obama for change" -> "Afghan race boom." (by Jim Banholzer) (2009) (pending approval)
"Obama for change" -> "Each barman goof." (by Jim Banholzer) (2009) (pending approval)
"Obama for change" -> "Boo anagram chef." (by Jim Banholzer) (2009) (pending approval)
"Obama for change" -> "Baa frogman echo." (by Jim Banholzer) (2009) (pending approval)
"Our Savior, The Lord Jesus Christ" -> "Just schedules a horror visitor." (by Jim Banholzer) (2011) (pending approval)