Saveria, Adopted by Nature

Vigilance, Protection from creatures with power less then your devotion to green(each {g} in the mana costs of permanents you control counts towards your devotion to green)
When you control more lands then other players, if Saveria isn't an Elemental, put two +1/+1 counters on it, then it becomes an Elemental and gains trample.(this effect lasts indefinitely)
"The wilds will overtake you"