Brave Falconhawk is a uncommon Creature — Bird card from Unknown Event (UNK), collector number UW04.
Flying When this creature enters, create a Contested Game Ball token. (It's a card from The Lost Caverns of Ixalan. Look it up!) Whenever this creature attacks, if you control a Contested Game Ball, put +1/+1 counters on this creature equal to the number of point counters among Contested Game Balls you control.