
When this creature enters, investigate. (Create a Clue token. It's an artifact with "{2}, 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.
Serene Sleuth has 2 printings, first in Murders at Karlov Manor Commander (2024). EDHREC ranks it #20,898 among Commander cards. It appears most in Morska, Undersea Sleuth decks (811 on EDHREC). 1 public deck on TCG runs it. It has 5 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.