Being the only game in town for no-art lands would make Unstable more similar to Unhinged or Unglued , where if you wanted a certain subgroup of basics for your deck, you pretty much had to buy the set (or at least the lands from the set, which would force someone else to crack a box of the set to sell them to you)
Youll typically find that this card slows down your opponents while not totally locking them out of playing the game
5 Island 7 Swamp 8 Plains And They Shall Know No Fear Arcane Sanctum Arcane Signet Arco-Flagellant Ash Barrens Assault Intercessor Bastion Protector Belisarius Cawl Birth of the Imperium Callidus Assassin Celestine, the Living Saint Choked Estuary Collective Effort Command Tower Commander's Sphere Commissar Severina Raine Company Commander Cybernetica Datasmith Darkwater Catacombs Defenders of Humanity Deny the Witch Deploy to the Front Dismal Backwater Entrapment Maneuver Epistolary Librarian Everflowing Chalice Evolving Wilds Exotic Orchard Exterminatus Fell the Mighty For the Emperor
Yes, you have to exile another blue card from your hand, but blue is also the color that gets the most card advantage, so its a relatively small cost
Hildibrands tokens will draw cards, and his function as an anthem will buff the large number of tokens appearing in the deck
