Your search for "Goblin Electromancer 166" revealed the following:
Goblin Electromancer (TDC) from Tarkir: Dragonstorm Commander, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Edgar Sánchez Hidalgo Card Text:Instant and sorcery spells you cast cost 1 less to cast.
Goblin Electromancer (Foil) (RTR) from Return to Ravnica, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Svetlin Velinov Card Text:Instant and sorcery spells you cast cost 1 less to cast.
Goblin Electromancer (DDS) from Duel Decks: Mind vs. Might, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Svetlin Velinov Card Text:Instant and sorcery spells you cast cost 1 less to cast.
Goblin Electromancer (OTC) from Outlaws of Thunder Junction Commander, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Svetlin Velinov Card Text:Instant and sorcery spells you cast cost 1 less to cast.
Goblin Electromancer (Foil) (MM3) from Modern Masters 2017, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Svetlin Velinov Card Text:Instant and sorcery spells you cast cost 1 less to cast.
Goblin Electromancer - Retro Frame (RVR) from Ravnica Remastered, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Svetlin Velinov Card Text:Instant and sorcery spells you cast cost 1 less to cast.
Goblin Electromancer (RVR) from Ravnica Remastered, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Svetlin Velinov Card Text:Instant and sorcery spells you cast cost 1 less to cast.
Goblin Electromancer (NCC) from New Capenna Commander, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Svetlin Velinov Card Text:Instant and sorcery spells you cast cost 1 less to cast.
Goblin Electromancer (MM3) from Modern Masters 2017, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Svetlin Velinov Card Text:Instant and sorcery spells you cast cost 1 less to cast.
Goblin Electromancer (DDJ) from Duel Decks: Izzet vs. Golgari, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Svetlin Velinov Card Text:Instant and sorcery spells you cast cost 1 less to cast.
Goblin Electromancer (Foil) (RVR) from Ravnica Remastered, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Svetlin Velinov Card Text:Instant and sorcery spells you cast cost 1 less to cast.
Goblin Electromancer - Retro Frame (Foil) (RVR) from Ravnica Remastered, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Svetlin Velinov Card Text:Instant and sorcery spells you cast cost 1 less to cast.
Goblin Electromancer (C15) from Commander 2015, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Svetlin Velinov Card Text:Instant and sorcery spells you cast cost 1 less to cast.
Goblin Electromancer (GRN) from Guilds of Ravnica, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Svetlin Velinov Card Text:Instant and sorcery spells you cast cost 1 less to cast.
Goblin Electromancer (Foil) (GRN) from Guilds of Ravnica, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Svetlin Velinov Card Text:Instant and sorcery spells you cast cost 1 less to cast.