Alter Fortune

School: divination
Circle: arcane 3rd, bardic 3rd 
Spell Components: V, S
Action Time: reaction
Range: medium
Shape: broadcast
Targeting: all
Base Duration: reaction
Saving Throw: no (harmless)
Spell Resistance: no
Ritual Components: ruby powder

Disambiguates some minor fortune on target, guaranteeing 10 on their next roll before discharging.