Maralin Provost

Hero (You may tap any number of Civilian creatures
you control to pay for that much mana towards
casting this creature.)
When Maralin Provost enters the battlefield or
enters the graveyard, create a Treasure
token. You may cast Maralin Provost from your graveyard by spending {3}{u}, when you do,
transform her.
{t}, Sacrifice Maralin Provost: Gain
one mana of any colour.