Violante, Mistress of Schemes

Whenever Violante, Mistress of Schemes deals
combat damage to a player, that player discards
a card and you draw a card.
If Violante, Mistress of Schemes would die,
exile her instead.
{2}{u}{b}: Tap target creature.
{3}{g}{b}: Return Violante from exile to the
battlefield transformed under your control.