Your search for "foundry inspector 104" revealed the following:
Foundry Inspector (CMR) from Commander Legends, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Jason A. Engle Card Text:Artifact spells you cast cost 1 less to cast.
Foundry Inspector (FDC) from Foundations Commander, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Jason A. Engle Card Text:Artifact spells you cast cost 1 less to cast.
Foundry Inspector - Featuring: Deathburger (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Deathburger Card Text:Artifact spells you cast cost 1 less to cast.