Your search for "Cutthroat Contender 73" revealed the following:
Cutthroat Contender (Foil) (SNC) from Streets of New Capenna, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Mark Behm Card Text:Pay 1 life: Cutthroat Contender gets +1/+0 until end of turn. Activate only once each turn.