Uruk, First of the Sumer

If this Card is in your starting hand, you may start the game with this artifact on the field.
Whenever you tap a land for mana, you instead gain that amount of mana, plus one.
{t}: You may return target instant, sorcery or enchantment card from the graveyard to your hand.
{t}: You may draw 2 cards, then discard a card.
{x}{t}: You may search your library for target Legendary creature with a converted mana cost equal to {x}