
Whenever a Detective you control enters or is turned face up, put a +1/+1 counter on it.
To solve — You control three or more Detectives. (If unsolved, solve at the beginning of your end step.)
Solved — If one or more tokens would be created under your control, those tokens plus a Clue token are created instead. (It's an artifact with "{2}, Sacrifice this token: Draw a card.")
Case of the Pilfered Proof has 1 printing, first in Murders at Karlov Manor (2024). EDHREC ranks it #20,238 among Commander cards. It appears most in Morska, Undersea Sleuth decks (535 on EDHREC). It has 14 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.