Demeter Khrysaoros

Transform {x}{1} (Turn this creature into a creature in your graveyard and X equals the chosen creature's mana cost.)
Cripple (If this creature were to die, turn it into
a 0/1 Injured God creature token with Indestructible.)
Whenever a Plains enters the battlefield, Demeter Khrysaoros gets +1/+1 until end of turn.