"RandomHPSteal":
{
    "Object": "Game.Skill",
    "Name": "Pact with the Devil",
    "Cost": 2,
    "Target": {"Object": "Target.RandomEntity"},

    "Event":
    {
            "Object": "Event.DealDamage",
            "Damage": 10,
            "AfterDamageDealt.Events":
            [{
                "Object": "Event.Heal",
                "Target": {"Object": "Target.Caster"},
                "Heal": "=&Context.DamageDealt"
            }]
    }
}