Normal prints of Night Stretcher go for almost $3, so whether you have one of those or a Reverse Holo version, its worth separating from the true bulk
Upgrading to a full account gets you 2 more of every Standard-legal common, 1 more of every Standard-legal uncommon, the ability to get cards, and the ability to enter tournaments
Lapis Orb of Dragonkind enters the battlefield untapped, adds colored mana that has no restrictions on its use, and actively rewards you with a solid scry effect for casting Dragons or Changelings with it
Just open and play
In the late game, you'll either try to pull ahead in cards using a combination of Vraska, map tokens from Sentinel, the adventure side of Dreadknight, and Aclazotz's discard triggers , or look for an opportunity to combo by playing Vraska with a level 3 Innkeeper's Talent on board and ultimate her to instantly win the game
This could potentially be a lot of money if people want it for Legacy, but with its place in the meta being unclear and SCG withdrawing support for Legacy as a format, its future is pretty murky