If youre using Mobilize, especially if youre using Mobilize in a colour other than red, what youre going to want to do is make sure that the setting has some form of extremely convenient, numerous, low power red mercenaries, but they dont have to be, like, humans
Outside the recommended cards, look for red and white staples to protect your growing army of creatures and enable extra attack steps
The potential card draw is worth quite a lot, and you can build around the restriction
Wickerwing Effigy is a card that seems pretty medium at face value, But im sure that theres some kind of Enter the Battlefield or Attack trigger that you could abuse this with in some fashion
Single Combat Single Combat is an excellent board wipe for Voltron decks that make a single, large creature