Conversational Surgery

{b}{t}: Choose a target creature and flip a coin. If you win, regenerate chosen creature. If you lose, destroy chosen creature.
{t}: Add {b} to your mana pool.
"Oh crap, I screwed up. Crap, crap crap." "Hold it, try to resuscitate." "Ahhh s***, I think we lost him." "I'm so sorry, it was my first-" "Hey, don't worry about it, hon. It happens."