The Balrog's company faces 3 attacks (Dwarves-5 strikes with 9 prowess, 4 strikes with 10 prowess, 3 strikes with 12 prowess)
This basically ensures that, once Electro leaves the battlefield, hell take something else with him with all your extra mana
Although its a fan-favorite tribe, Merfolk hasnt really seen much play since the first couple of weeks that Rivals of Ixalan was legal, and thats predominantly due to the fact that it was always one or two cards short of being a full deck of Constructed-playable cards
(I guess any color can do it by attacking the Planeswalker with creatures
These promos are available while supplies last, so check with your local game store for details on thisss exciting event
Essentially being Panharmonicon on a stick, but turned up to 11, Elesh Norn, Mother of Machines, can completely take over games