I'm playing a Wild magic sorcerer and it occurred to me that the 1st-level spell added from the Aberrant Dragonmark feat could potentially trigger a Wild Magic Surge.
Is this the case, and can I use my other spell slots or pact magic slots to cast the 1st-level spell learned through this feat?
Best Answer
Can the spell from Aberrant Dragonmark trigger a Wild Magic Surge?
Yes. First, observe the trigger condition for Wild Magic Surge:
Next, observe the language of Aberrant Dragonmark:
In similar fashion to this answer, the spell learned is a sorcerer spell, so it is eligible for triggering a Wild Magic Surge.
Can I use my other spell slots to cast the spell?
Yes. The Sage Advice Compendium contains a ruling about the Magic Initiate feat that applies in this case as well:
Since the spell learned from Aberrant Dragonmark is a sorcerer spell, you can use your sorcerer spell slots to cast it, as confirmed by this ruling form the Sage Advice Compendium. Additionally, this answer outlines a different but applicable argument that draws the same conclusion without consulting Sage Advice.
Since you did mention pact slots, you would also be able to cast the spell using one of your pact slots. The multiclass spellcasting rules say: