Rul, Sylvan Simulacrum

{t}: Add {g}.
As long as your devotion to green from other permanents is less than 10, Rul isn't a creature.
Elf, Druid, Dryad, Hydra, Beast, Elemental,
Bear, Wolf, Elk, Squirrel, Insect, Plant, and
Saproling spells you cast cost {g}{g}{g}{g}{g} less
to cast. This affect only reduces the amount of
colored spent to cast them.