My experience is that people sometimes overvalue the color benefits in Raid Tournaments.
Green heroes will have considerably better survival benefits than usual, but that doesn’t mean that green heroes suddenly become the best choice for every slot.
That said, Buddy seems like a completely perfect tank for this Tournament, since he covers every base:
- Debuffs Attack, which slows down the attacker doing damage
- Debuffs Defense, which increases the damage you do
- Creates pressure to bring Rigard or Kiril, which is a sucky use for a slot in this Tournament
- Summons Minions, which absent healing is the only way to increase HP
- Is green
I think surrounding him with fast damage dealers and status ailments casters will go a long way.