So for the GMG, the teams will be as follows:
Fairy Tail
1. Kraehe
2. Rayleigh
3. Kotetsu
4. Ragna
5. Sakura
Lamia Scale
1. Mercer
2. Tyson
3. Lan
4. Rei
5. ?
Blue Pegasus
1. Cindy
2. Mia
3. Kiritsugu
4. ?
5. ?
Sabretooth
1. Celeste
2. Tsubaki
3. Hiei
4. Yuna
5. ?
Mermaid Heel
1. Alturia
2. Chifumi
3. Karen
4. Tsukihi
5. Akane
Quatro Cerberus
1. Shihona
2. Repede
3. Ling
4. ?
5. ?