Menog, Thing of the Fens

Mill two cards: Menog, Thing of the Fens gains
indestructible until end of turn. Tap it and put a
fugue counter on it. Activate only once per turn
and only if Menog has no fugue counters on it.
{t}: Add {b} or {g}. Remove all fugue counters
from Menog and you gain that much life.