Goblin Rot Shaman

When Goblin Rot Shaman enter the battlefield,
put the top four cards of your library into your graveyard, then create a 1/1 green Fungus
creature token for each land card in your
graveyard.
{2}{g}, Sacrifice a land, Exile a creature card
from your graveyard: Create a 1/1 green Fungus creature token. Fungus creatures you control get
+1/+1 until end of turn.