I think you can manage without plugin.
mapcycle1.txt
Code:
de_train
de_dust2
de_inferno
mapcycle2.txt
Code:
de_inferno
de_dust2
de_train
amxmodx/configs/maps/de_train.cfg
Code:
mapcyclefile mapcycle1.txt
amxmodx/configs/maps/de_inferno.cfg
Code:
mapcyclefile mapcycle2.txt