Star Athlete is a rare Creature — Human Warrior card from Duskmourn: House of Horror Commander (DSC), collector number 57. Current market price: $0.88, TCGplayer market prices via Scryfall.
Menace Whenever this creature attacks, choose up to one target nonland permanent. Its controller may sacrifice it. If they don't, this creature deals 5 damage to that player. Blitz {3}{R} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)