Rivendell

Rivendell enters the battlefield tapped.
Non-attacking creatures you control have hexproof.
Elves you control have, "{x}{x}{u}, {t}: Look at target opponents hand then choose a card.
That card costs {x} more to cast."
{t}: Add {g} or {u} to your mana pool.
Since king of rivendell was given one of the eleven rings of power, the kingdom he ruled never faltered in its preservation and was kept an unrivaled haven for it's friendly inhabitants and passers by.