If you want a yiimp-based pool for MGT, you can use hashbag.cc - 1% fee only.

stratum url/login/pw is the same as what you use on any yiimp pool (use wallet as username, c=MGT as password):

USA stratum
-o us.hashbag.cc:8644 -u -p c=MGT

EU stratum
-o nl2.hashbag.cc:8644 -u -p c=MGT


And we are finding blocks today, now that a few more people have joined the baggin'