Serene Sleuth 
Creature — Human Detective
When this creature enters, investigate. (Create a Clue token. It's an artifact with "
, Sacrifice this token: Draw a card.")
At the beginning of combat on your turn, investigate for each goaded creature you control. Then each creature you control is no longer goaded.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL