Ground types are immune to Electric types, meaning that they receive no damage: Electric - Ground types are naturally insulated against electricity, preventing the charges from travelling into them
It certainly rewards your Treasure production, but you can go for flavor and roleplaying by having Captain Storm guide a deck of investigating detectives or Thopter generating artificers through stormy seas
Heck, it can even help dodge other people trying to mess with your graveyard
For instance, creatures with flying or trample do those things, in the same way that a creature with intimidate, intimidates things
For a big-burn-turn, consider Dragonhawk, Fates Tempest, and just leave all of the cards in exile
That being said, it does tie into the Avishkar theme, so it's one of the better places to have another energy Commander deck