Mara Vetrobi, Flame Witch

Whenever you cast an instant or sorcery for
the first time each turn Mara deals damage
equal to its power to any target.
{r}, Discard a card: Until end of turn Mara
becomes a Dragon with base power and
toughness 5/5 and gains Flying.
___________________________________
She lost herself in her admiration of Dragonfire.