Blinking a creature essentially resets it to how it enters the battlefield, so even creatures that were attacking when they were blinked enter untapped, out of combat, and with summoning sickness
It also has relevant creature types in Zombie and possibly Knight, so there are other bonuses to be had depending on the build
It's easy to underestimate the existence of this card if you're attacking from monster deployments, and it's possible that you'll leave it alone to recover anything, so if you have a card that can be used as a surprise attack from your hand, that's fine
This controversial pricing strategy, driven directly by Wizards of the Coast , reinforces a recent trend in the franchise: collaborative sets under the Universes Beyond/Multiverse Beyond label - such as Lord of the Rings, Fallout or Assassins Creed - come with a significant price premium that has sparked criticism from players