A Nugget of Purest Green

{t} Add X{g} to your mana pool where X is the
number of lands in play. If this card leaves the
battlefield, you may search your library for X
lands and put them into play, where X is the
number of lands in your library.
{g}{g} Sacrifice this card: Create X 1/1 Elf token
creatures, where X is the number of lands you
control. Place a +1/+1 token on every creature
you control for every Elf you control. Creatures
you control gain trample, haste.