When you use your XPHB, you can choose for the spell to deal extra Poison damage equal to half your Wizard level plus your Intelligence modifier.
Lactose Intolerance
Raw data
{
"name": "Lactose Intolerance",
"level": 14,
"__prop": "subclassFeature",
"header": 2,
"source": "ValdaSpire24Extras",
"entries": [
"When you use your {@subclassFeature Ferment Spell|Wizard|XPHB|Tyromancer|ValdaSpire24Extras|6}, you can choose for the spell to deal extra Poison damage equal to half your Wizard level plus your Intelligence modifier."
],
"className": "Wizard",
"classSource": "XPHB",
"subclassSource": "ValdaSpire24Extras",
"subclassShortName": "Tyromancer"
}