ccminer software is the only miner I know of for Motacoin but it only uses NVIDIA cards i'm using AMD, what other miner can I use ?
some version of SGminer.. here is one that does x13 but I'm not sure if its auto switching or what as I haven't looked at it and don't own amd cards atm.
https://bitcointalk.org/index.php?topic=632503.0 EDIT: this one is pretty old, maybe there is more current SGminer that would be better.