Ransack 
Sorcery
Look at the top five cards of target player's library. Put any number of them on the bottom of that library in any order and the rest on top of the library in any order.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL