Hi, MAG level 0 is very basic. So basic that most gyms don't even bother with it, they work straight for level 1. most competitions don't have level 0 it is just for the gyms but the requirements are as follows.
FLOOR - forward roll, front support, rear support, shoulderstand and straight jump.
POMMEL - 2 push ups
RINGS - Tuck hang and some low swings letting go at the back
VAULT - Straight jump to 30 cm's crash mats
P BARS - Tuck hold and some swings to dismount at back
HIGH BAR - A pullover on low bar with coach help and a cast to pushaway off