/give @p diamond_sword 1 0 {
    display: {
        Name: "Espadón de Pol",
        Lore: [
            "Creada por los dioses de minecraftia",
            "xD"
        ]
    },
    AttributeModifiers: [
        {
            AttributeName: "generic.maxHealth",
            Name: "generic.maxHealth",
            Amount: 51,
            Operation: 1,
            UUIDMost: 96389,
            UUIDLeast: 676234
        },
        {
            AttributeName: "generic.movementSpeed",
            Name: "generic.movementSpeed",
            Amount: 2,
            Operation: 0,
            UUIDMost: 76144,
            UUIDLeast: 931628
        },
        {
            AttributeName: "generic.attackDamage",
            Name: "generic.attackDamage",
            Amount: 8,
            Operation: 0,
            UUIDMost: 12103,
            UUIDLeast: 639871
        }
    ],
    Unbreakable: 1
}