Orb of...

School: conjuration [elemental]
Circle: arcane 4th
Spell Components: V, S
Action Time: 1 action
Range: medium
Shape: orb
Targeting: hostiles only 
Base Duration: instant
Saving Throw: reflex (status effect)
Spell Resistance: yes
Ritual Components: TBA

Selects from acid damage, cold damage, electrical damage or fire damage to lob a strengthened orb at the target, dealing 1d6 selected elemental damage/level (max 10d6) and bestowing sickened, slowed, deafened or burning respectively for 2d3+1 rounds. If caster has greater spell focus: conjuration, instead deals 1d8 selected elemental damage/level (max 10d8).