Field Fertile with Dead

Enchant Land It gains: Discard a Card & choose
to create: {g} # creature cards in your graveyard
of 1/1 green Saprolings. {b/g}{b/g}: # creature cards
in target opponent's graveyard of 2/2 black
skeleton zombies. {b/g}{g} 1/2 ( round up) #
creature cards in your graveyard up of 3/3 green
Centaur Zombies, {b}{b/g}{g}: 1/2 # creature
cards in target opponent's graveyard of 4/4 black
Giant Zombies, and Sacrifice a Forest or Swamp,
{b}{b/g}{b/g}{g}: 1/3 your grave- yards # of 4/4 green