Spells ? Every considered that you could've checked existing items ?
http://archive.trinitycore.info/Item_template_tc2#stat_typeThose are standard stats that can be modified at least on a 3.3.5 trinitycore server
Here is a list taken directly from the trinitycore source of stats can be directly modified for CATA, [spoiler:3it92n92]ITEM_MOD_MANA = 0, ITEM_MOD_HEALTH = 1, ITEM_MOD_AGILITY = 3, ITEM_MOD_STRENGTH = 4, ITEM_MOD_INTELLECT = 5, ITEM_MOD_SPIRIT = 6, ITEM_MOD_STAMINA = 7, ITEM_MOD_DEFENSE_SKILL_RATING = 12, ITEM_MOD_DODGE_RATING = 13, ITEM_MOD_PARRY_RATING = 14, ITEM_MOD_BLOCK_RATING = 15, ITEM_MOD_HIT_MELEE_RATING = 16, ITEM_MOD_HIT_RANGED_RATING = 17, ITEM_MOD_HIT_SPELL_RATING = 18, ITEM_MOD_CRIT_MELEE_RATING = 19, ITEM_MOD_CRIT_RANGED_RATING = 20, ITEM_MOD_CRIT_SPELL_RATING = 21, ITEM_MOD_HIT_TAKEN_MELEE_RATING = 22, ITEM_MOD_HIT_TAKEN_RANGED_RATING = 23, ITEM_MOD_HIT_TAKEN_SPELL_RATING = 24, ITEM_MOD_CRIT_TAKEN_MELEE_RATING = 25, ITEM_MOD_CRIT_TAKEN_RANGED_RATING = 26, ITEM_MOD_CRIT_TAKEN_SPELL_RATING = 27, ITEM_MOD_HASTE_MELEE_RATING = 28, ITEM_MOD_HASTE_RANGED_RATING = 29, ITEM_MOD_HASTE_SPELL_RATING = 30, ITEM_MOD_HIT_RATING = 31, ITEM_MOD_CRIT_RATING = 32, ITEM_MOD_HIT_TAKEN_RATING = 33, ITEM_MOD_CRIT_TAKEN_RATING = 34, ITEM_MOD_RESILIENCE_RATING = 35, ITEM_MOD_HASTE_RATING = 36, ITEM_MOD_EXPERTISE_RATING = 37, ITEM_MOD_ATTACK_POWER = 38, ITEM_MOD_RANGED_ATTACK_POWER = 39, ITEM_MOD_MANA_REGENERATION = 43, ITEM_MOD_ARMOR_PENETRATION_RATING = 44, ITEM_MOD_SPELL_POWER = 45, ITEM_MOD_HEALTH_REGEN = 46, ITEM_MOD_SPELL_PENETRATION = 47, ITEM_MOD_BLOCK_VALUE = 48, ITEM_MOD_MASTERY_RATING = 49, ITEM_MOD_EXTRA_ARMOR = 50, ITEM_MOD_FIRE_RESISTANCE = 51, ITEM_MOD_FROST_RESISTANCE = 52, ITEM_MOD_HOLY_RESISTANCE = 53, ITEM_MOD_SHADOW_RESISTANCE = 54, ITEM_MOD_NATURE_RESISTANCE = 55, ITEM_MOD_ARCANE_RESISTANCE = 56,[/spoiler:3it92n92]If it's not on the list, then its attached via a spell. Then you need to find an item that has the effect that you need. Open that item in your database and look under the spell_1 column, odds are that is the spell id you are looking to use on your item.