Can I Switch Nosah?

May I switch nuschei tefillah on a daily basis? For example, may I daven nusach Ashkenaz today, nusach Eretz Yisrael tomorrow, and nusach HaRambam the next day? I find that alternating nusachim helps me keep my tefillah fresh and directed towards Hashem.

One may use a different nusach tefillah every day. The Avudrahim and Rashba are two Rishonim who support such a mode of conduct.