Your search for "Galvanic Discharge 417" revealed the following:
Galvanic Discharge - Retro Frame (MH3) from Modern Horizons 3, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Zoltan Boros Card Text:Choose target creature or planeswalker. You get EEE, then you may pay any amount of E. Galvanic...
Galvanic Discharge - Retro Frame (Foil) (MH3) from Modern Horizons 3, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Zoltan Boros Card Text:Choose target creature or planeswalker. You get EEE, then you may pay any amount of E....