Big groups of course!
Arkham P.D. assault squad
5 cost
5 xp
2 combat
wild
Ally. Agency. Group.
You get +2 Willpower, +1 intellect, +3 combat and +2 agility.
5 health
5 sanity
Miskatonic research group
5 cost
5 xp
2 intellect
wild
Ally. Miskatonic. Group.
You get +2 willpower, +3 intellect, +2 combat and +1 agility.
5 health
5 sanity
Sorcery club...okay I couldn't think of a better name
5 cost
5 xp
2 willpower
wild
Ally. Sorcerer. Group.
You get +3 willpower, +2 intellect, +1 combat and +2 agility.
5 health
5 sanity
Street living group...okay I am bad at names
5 cost
5 xp
2 agility
wild
Ally. Drifter. Group.
You get +2 willpower, +2 intellect, +1 combat and +3 evade.
5 health
5 sanity
O'bannion men
5 cost
5 xp
2 wild
Ally. Criminal. Group.
You get +2 willpower, +2 intellect, +2 combat and +2 agility.
5 health
5 sanity
And they also occupy an ally slot obviously.