It never feels like an unstoppable avalanche, but it can come back from a board wipe after a turn or two
After their introduction in Kaladesh , vehicles went on to become a deciduous mechanic, one that can appear in small numbers in any set if they met the requirements of the set
[1] Technically, there are ways to "refresh" the timestamp of a permanent, so the order they entered the battlefield is not always the same as their timestamp order, but none of those ways applies in the situation as described.
There is the implication in the story behind the cards that Invader of Darkness is some sort of Evil Overlord who is something like Darth Vader
By swapping its text box with another creature, it can steal powerful abilities and shut down opposing commanders, which creates chaotic board states and forces opponents to rethink their entire game plan