Triterrion, God of Elements

Flying, Invulnerable, and Trample.
Earthome {u}{u}{r}{r}"(Triterrion is a creature if you
control Basic Lands that match the designated mana
symbols. When he is not a creature you can attach
him to any matching basic land at any time for no cost)
Elementals you control gain +1/+1
{u}{r}{t}: Target land becomes a 4/4 elemental
until the end of the turn.
Enchained Land gains "{t}: Add three mana of
any combination you chose."