Natures Ultimate Presence

Adaptive Nature ( As long as you control Gift of Nature when this card enters the battlefield, Natures Ultimate Presence is treated as a basic land for the rest of the game) You may have any number of Natures Ultimate Presence on the battlefield. When it comes into play untap all lands you control.
{t}: Add any single color to your mana pool equal to X where X is the number of lands untapped as this entered the battlefield plus 1