Without white, you're losing a bunch of buffs that are bird or flying-specific, but with green, you can replace them with other buffs that don't really care about creature type
Interaction can only do so much while stapled to creatures
However, the foil treatment makes that specific version of the card scarcer and often more valuable
Card rotation, alongside some of the new cards in the Fabled set, will bring about a whole new way to play, which means a refresh of the game mechanics for those already addicted to the game, as well as the perfect time for newcomers and those who have been meaning to learn the game to jump right in
Thats fine, as we have great options
Astor, Bearer Of Blades is a low casting cost on its own, making it so you can start taking advantage of its ability early on in the game and start swinging your Vehicles in your damage as soon as possible