Most of the value sits in the top handful of cards.
According to The Commander Format Panel, "Game Changers dramatically warp Commander games, allowing players to run away with resources, shift games in ways that many players dislike, block people from play, efficiently search for their strongest cards, or have Commanders that tend to take away from more casual games." The Game Changers List dictates some elements of how strong a deck is, by giving guidance on how many should be played or which ones should be talked about
Thran Dynamo, Arcane Signet, and Fellwar Stone ranks toward the lower end of power levels
Volrath's Motion Sensor is
Yall know Commander players will just buy the main set, right
Even then, it would probably be infinitely better if this card supported "Thunder monsters whose total ATK/DEF equals 2700"