Dragonleaf of Valen

The Dragonleaf of Valen enters the battlefield tapped
{1}{t}: Add {g/w}{g/w} to your mana pool.
{t}{2}: Scry 2
Whenever a creature becomes renowned, add a quest counter. Whenever Dragonleaf of Valen has 4 or more quest counters, transform Dragon- leaf of Valen.