Multiattack

Arcane Lexicon then 3 Energy Glaives or Rune Discuses.

Energy Glaive

Melee Weapon Attack: +19 to hit, 15 ft., one target, 48 (7d10+10) force.

Rune Discus

Ranged Spell Attack: +19 to hit 80/320' one target 41 (7d8+10) force and target must make DC 25 Wis save or spells and magical effects are suppressed on target and target can't cast spells for 1 min. Target can re-save at end of each of its turns success ends effect on itself.