Auspicious Odds, Mass

(Unearthed Arcana)

Level: Luck 5,
Range: Close (25 ft. + 5 ft./2 levels)
Target: One creature/three levels, no two of which can be more than 30 ft. apart
Duration: 1 round/level; see text

As auspicious odds, except that this spell affects multiple targets and the duration is shorter.
If, on a single roll, all four die results are 1s, the spell immediately ends for that subject only, unless it's the caster, in which case it ends for everyone.