Floodhound
Creature — Elemental Dog
, 
: Investigate. (Create a Clue token. It's an artifact with "
, Sacrifice this token: Draw a card.")
The thief doubled back twice, doused herself with perfume, crossed the ocean, and still woke up with her pursuer close on her heels.
Lius Lasahido
The List (PLST)
• #MH2-42Rulings
The token is named Clue Token and has the artifact subtype Clue. Clue isn't a creature type.
(wotc • 2021-06-18)
You can't sacrifice a Clue to activate its own ability and also to activate another ability that requires sacrificing a Clue (or any artifact) as a cost, such as that of Lonis, Cryptozoologist.
(wotc • 2021-06-18)
Rulings
The token is named Clue Token and has the artifact subtype Clue. Clue isn't a creature type.
(wotc • 2021-06-18)
You can't sacrifice a Clue to activate its own ability and also to activate another ability that requires sacrificing a Clue (or any artifact) as a cost, such as that of Lonis, Cryptozoologist.
(wotc • 2021-06-18)