{
    "name": "cast a spell (costs 3 actions) (legendary_action)",
    "text": "The sphinx casts a spell from its list of prepared spells, using a spell slot as normal.",
    "subfeatures": [
        {
            "trigger": [],
            "conditions": [],
            "effects": [{
                "target": "",
                "effect": [],
                "duration": ""
            }]
        }
    ]
}