Druid Class

(Gain the next level as a sorcery to add its ability)
Whenever a land enters the battlefield under your control, you gain 1 life.
{2}{g}: Level 2
You may play an additional land on each of your turns.
{4}{g}: Level 3
When this class becomes level three, target land you control becomes a creature with haste and this creatures power and toughness are each equal to the number of lands you control. Its still a land.