Elemental Node Magic

Your semi elemental nature has caused a reaction to your connection to magic within you allowing the area around you to mimic the powers of elemental nodes, allowing you to manipulate the elemental magics you have an affinity for as if you were pulling from the elemental planes themselves.

The area within a 5ft radius, centered on you, is considered as being in an elemental node of the element of your subrace.

you gain the following effects depending on your subrace : 

If you have the Spellcasting or the Pact Magic class feature, the spells in relation to your element on the elemental node Spells table are added to the spell list of your spellcasting class, when you reach certain levels with this feat  you always have the spell prepared, and the spell doesn't count against the number of spells you can have prepared