Electro will let you continually carry that mana turn over turn, creating a larger Fireball that your opponent will have to deal with once Electro leaves
These mechanics usually also help mitigate flooding (the dreadful experience of drawing too many lands), but there is nothing like that in Edge of Eternities
Read More: The Best Mono-Black Commanders 2 Najeela, the Blade Blossom This is the point at which things get really silly, and Najeela, the Blade-Bossom is one of the silliest commanders around
On the other hand, if your deck does need the mana, run Sol Ring, sure
Creature - Horror Phyrexian Color tag templates(None) Priest of Forgotten Gods , Sacrifice two other creatures: Any number of target players each lose 2 life and sacrifice a creature of their choice