Your search for "Koffing - 021/049" revealed the following:
Borg (019) // Clue (021) Token (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Normal Artist: Edouard & Joel Chaim Holtzman Card Text:Clue: {2}, Sacrifice this token: Draw a card.
Tribble (009) // Clue (021) Token (Surge Foil) (TTRC) from Star Trek Commander, available at 401 Games Canada. Rarity: Token Finish: Foil Artist: Kevin Glint & Joel Chaim Holtzman Card Text:Tribble: This token can't block.Clue: {2}, Sacrifice this token: Draw...