Hapatra, Vizier of Poisons is the classic commander for this archetype, and, as well as Massacre Girl, new cards include the Jurassic World dino Spitting Dilophosaurus
Duel Links demonstrated long-term revenue sustainability, yet the genre rarely broke into mainstream casual dominance
It commonly goes with commanders like Krark, the Thumbless or Vial Smasher the Fierce that have strong triggered abilities to double, but most decks are happy to have access to blue
First, I guess, we should learn what a Ball Lightning even is
By playing enough of both, you'll be passively gaining lore, draining your opponent, and have a board state that will be very tricky for your opponent to unpick in time
STRIDEHANGAR AUTOMATON This thing sits on the ground and blocks for days, so thats already a good start