With a limited run, you'll have to rush to the store as soon as a new Secret Lair is announced
This is also a very aggressive planeswalker design, so it defends itself fairly poorly you cant simply cast Chandra and remove a threat, a near-and-dear ability for playable walkers
With their Search and Rescue ability, anytime you put a card into your inkwell, you can bring back a character card from your discard back to your hand
In this case, Enter the Infinite would draw your whole deck (whichif you can't win at that point, I can't help you), or Jace and Doubling season would combine to let you cast a spell out of everyone's deckincluding that Enter the Infinite that just got shuffled back in
Even putting D&D aside, there are countless other excellent collaborations with MTG that are definitely worth checking out and even adding to your collection if you can