Well just have to wait and see
This trade off may seem harsh, but its almost always worth it, especially on cards like Maui, Hero to All and Gaston, Arrogant Hunter
Including a hate card or two, especially if you play against the same strategy a lot, might be worth running in your list
8 Equilibrium An enchantment that costs one generic and two blue mana, Equilibrium allows you to pay an extra generic mana every time you play a creature and return another target creature to their owner's hand
A consistent frame style across your custom cards makes the whole deck feel intentional, not like a ransom note
Mono-white Vehicles might seem like a weird choice, but there are several white reanimation spells for artifacts and plenty of cheap creatures we can crew