Well, the retrain is definitely a nice improvement
One of the most popular themes in the game is the use of White-Black commanders, which typically offer a combination of control, life gain, and board presence, making them powerful and versatile options for any player
negate that activation, and if you do, destroy it, then, if the material you detached to activate this card was originally a The Phantom Knights, Raidraptor, or Xyz Dragon card, 1 Raidraptor Xyz Monster you control gains ATK equal to the original ATK of the monster destroyed by this effect.
At the same time, its easy to respond to or doesnt overshadow the main win condition except for when its triple-cast off Galvanic Iteration in the middle of an extra turns spree