Ashen Mire

{t}: Add {c} to your mana pool.
{1}, {t}, Pay 1 life: Add {w}{w}, {b}{b}, or {r}{r} to
your mana pool.
{w}{b}{r}, {t}: Target creature you control gains
your choice of either plainswalk, swampwalk,
or mountainwalk until end of turn. Activate
this ability only once each turn.