Leyla Prechaun, The Fortunate

Flip a coin: If you win the flip regenerate this creature. Activate this ability only once each turn.
{r}{r}, {t}: Roll a 6-sided die, exile cards from the
top of your library equal to the result. You may
play those cards until your next end step.
{r}{r}: Whenever you roll a die or flip a coin this
turn, instead flip two coins or roll two dice and
ignore one.