Abundant Countryside (ECC 22)

Land • Lorwyn Eclipsed Commander • Rare

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell.
{6}, {T}: Create a 1/1 colorless Shapeshifter creature token with changeling. (It's every creature type.)

Illustrated by Iris Compiet.