Firehearted Masticore

{0}: Firehearted Masticore deals 3 damage to you.
Put your choice of a flying or haste counter on it.
{r}, {t}, Exile an artifact card from your
graveyard: Firehearted Masticore deals damage
equal to exiled card's mana value to any target.
{3}, Exile Firehearted Masticore from your
graveyard: Firehearted Masticore deals 3 damage
to you and 3 damage to any target.