Essentially he is either there to pump all of your blue dorks giving you all round better tempo or he is there to generate mana for artifacts along with any other blue dorks you might have
Marvels Storm Regrowth The ability to return any card from your graveyard to your hand for just 2 mana makes Regrowth one of greens most dependable spells
The core point here is that its okay if the IP of a drop isnt for you because they arent trying to make each one be for everyone
Can only hope one day this is recognized more by PSA and the average collectors
Right now I have it in so that I have something good to return with The Mending of Dominaria, but maybe a better plan is to use Bone Dragon and not The Mending of Dominaria, either just relying on Devious Cover-Up or possibly using Bone Dragon to sculpt your graveyard for Gaeas Blessing, though that sounds like the kind of late-game nonsense that will never actually come up, whereas Gaeas Blessing messing up your Bone Dragon will come up
Tabletop Simulator has no matchmaking, so you will need to arrange games manually with other players, or consult a Discord channel where other players are gathered