Casting a spell with the scepter costs 4 experience points.
Infusion
The ghast scepter can be obtained by taking damage from a ghast to infuse a held magical sceper.
Attack - Ghast Fireball
Shoot a ghast fireball.
Protect - Regeneration
Get regeneration II for 10 to 12.5 seconds.
{"color": 13458603,"experience_cost": 4,"infusion": [{"condition": "minecraft:damage_source_properties","predicate": {"source_entity": {"type": "minecraft:ghast"}}}],"spell_attack": "magicalscepter:ghast_fireball","spell_protect": "magicalscepter:ghast_regeneration"}