Unravel the Aether and Deglamer have seen a ton of sideboard play over the years for how efficiently and effectively they answer problematic enchantments
Its the very definition of flexibility, and, perhaps more importantly, look at that art
Granted, it does nothing when youre really far behind or have no creatures, but it enables enough synergies that I think it balances out to a very powerful card in a lot of situations
In any multiplayer format, you have the potential to be attacked multiple times each round of your attack
At the beginning of the next end step, sacrifice that Vehicle
Since raid has been co-opted by the pirates of Ixalan and is more of a post-combat payoff, I like mobilize as a Mardu mechanic that ties into being in the middle of the action