Chulane, Corrupt Archmage

Flying, haste
When you cast an instant or sorcery spell, draw
a card, then if that spells mana value is 3 or
greater create a treasure token.
{t}: Exile target instant or sorcery from your graveyard, you may cast that card this turn by
paying life equal to it's mana value rather than
paying it's mana cost.