Metamagics

Ancestry Feats comes from your species and culture Metamagic is the art of making small modifications of spells. They can be learned from some arcane feats.
Before casting a spell, mages can choose to activate one metamagic. Metamagics come with a variety of features at the cost of increasing the difficulty of spellshaping the spell. Some Metamagics instead make the spellshaping easier, but modifies the spell in a negative way. Some Metamagics only works on spells with certain traits or aspects