2021-06-18 Chatterfang's second ability applies to all kinds of tokens, including Clue, Food, and Treasure tokens.
It is a bounty that lead to a worldwide search for the card, as well as theories that the card either didn't exist or was strategically placed in the set's gift bundles
The better build is tokens, of course, but people have posted these decks, if only for memes
As an aside, this card is a good example of why the option of banning a specific set of Modern Horizons 2 bridges - as many people want to see - isn't as good of an option as it may initially seem
The big thing is you are favored in most matchups and if you combine that with good play and the brewers edge of having greater familiarity of the matchup than your opponent does, you are going to get strong results with this deck.