Narl Wretchroot

At the beginning of your upkeep, you may
sacrifice a land. If you do, each player discards a
card.
As long as there is a basic plains in your
graveyard, Treefolk you control have First Strike.
As long as there is a basic swamp in your
graveyard, Treefolk you control have Deathtouch.
As long as there is a basic forest in your
graveyard, Treefolk you control have +1/+1.