The Stage 1 that it evolves from, Drakloak, has a useful ability that lets you pick one card from the top two on your deck and put it into your hand, speeding up your setup for Dragapult EX, and preparing any reactive cards in case your opponent knocks one of your 'Mons out
Not only that, she comes with removal stapled on
MTG Arena has made some big changes to its economy lately, with Golden Packs proving particularly enticing for Magic players that aren't a fan of Limited gameplay
The only variable that changed was the decade printed on the card
It can be the tiny bit of extra disruption you need to close out a hard fight with a control deck
And as a bonus, the deck can also run the fantastic Naya CharmNaya Charm as another RegrowthRegrowth, but at instant speed with other great options tacked on if need be