If there is an effect that lets you cast a spell without paying it mana cost, you cannot use that to cast an overloaded spell
For better or worse, this all started with Harnessed Snubhorn, the first card to be spoiled
Forget affinity
Recommended Commanders: Muldrotha, the Gravetide, Orvar, the All-Form, Zur, Eternal Schemer Fractured Identity This is one of my favorite removal spells in Commander and Vintage Cube
Paul was incredibly friendly and made me feel genuinely welcomed from the moment I walked in
Malcolm, Keen-Eyed Navigator + Lightning-Rig Crew + Freed from the Real I've played this in my Admiral Beckett Brass since I built it, and it's a fun one that won't break the bank