Elf of the Scattered Leaves

Stockpile {g} (Exile this card from your hand: It gains "{g}: Put a cache counter on this card." and "You may cast this card from exile as long as it has a cache counter on it with its cost reduced by {1} for each cache counter on it.")
{g}, {t}: Add two mana of any one type.
Even dead leaves hold a somber beauty.