Arm for Battle is a basic Boros Voltron shell that would likely end up putting Akiri, Line-Slinger and Bruse Tarl, Boorish Herder at the helm, while committing Wyleth, Soul of Steel to the 98
It's solid, since you will be 6 life away from your opponent if you hit to face
Hell, Rising Waters decks used it, even though they restricted your ability to untap lands and activating the Idol taps them all
Quicksilver Amulet, Elvish Piper, Garruk, Caller of Beasts, and (if in White) Hunting Grounds can put creatures from your hand into play
Aetherworks Marvel never had to exist in a Standard format where cards like Thoughtsieze or Pithing Needle were legal, and even just removing Marvel from the battlefield was challenging to do efficiently for much of its legality