And you can swing with your team, blink them out after damage is dealt, and then merely untap the so they can block, so you have a sort of pseudo vigilance
Against mass bounce effects like the aforementioned Cyclonic Rift or Aetherspouts, options are very limited with Teferi's Protection and Clever Concealment being at the very top of this short list
When I was a Pro Player back in the heyday of MTG events, it felt like there was a reasonable amount of information to learn and keep up with but with so many new sets and designs constantly being released I found myself overwhelmed and the task of collecting so many new cards to build decks was restrictively expensive
It might be useful for combos or gimmicks depending on the situation
Rule of Law + Taxes = One spell per turn? Better make it count
Not only does it snowball quickly by creating many copies of itself, but those copies can then also be used as sacrifice fodder