Deathsquad Marksman

You may pay {3}{b}{b} rather than pay Deathsquad Marksman's mana cost.
When Deathsquad Marksman enters the battlefield, flip a coin. If you win the flip, Deathsquad Marksman deals 4 damage to target creature or player. If you lose the flip, Deathsquad Marksman deals 4 damage to you. If you did not spend {w} to cast Deathsquad Marksman, you may determine whether you win or lose that coin flip.