Even if its more likely to be a source of bonus value or side benefit than the main defining pillar of a deck, providing another source of pressure or combat potential at such low deckbuilding cost especially one thats unpredictable to opponents makes it an excellent bonus to look for
Then you can drop the three-drop Equipment equip for two, and then double pump it and give it pro Black and Green
You can also get one more card every turn, especially in decks that can manipulate the top card of their libraries
During that preview event, Art Director Cynthia Sheppard said, I think the pitch [for the set] was, Do you like Teferi? If you like Teferi, you will not be disappointed in this set. And, well, Sheppard was not kidding
Source: Comicbook.com
A similar box of starter decks for Magic: The Gatherings later Unlimited Edition - with a similar chance to pull a Black Lotus or Power Nine card, albeit from the less valuable white-bordered Unlimited set - sold last summer for $150,000