Intrepid Adversary is a mythic Creature — Human Scout card from Innistrad: Double Feature (DBL), collector number 25. Current market price: $1.54 (foil $5.09), TCGplayer market prices via Scryfall.
Lifelink When this creature enters, you may pay {1}{W} any number of times. When you pay this cost one or more times, put that many valor counters on this creature. Creatures you control get +1/+1 for each valor counter on this creature.