You can also include Rhystic Study in that list too
Thats already card advantage, and your commander just stays on the table if your opponents dont have artifact removal, threatening all manor of infinite combos, and sometimes even attacked as a large threat
The Riveteers Always finish the job Reliant on brute force to get the work done, the unmatched craftsmanship skills of the Riveteers make them masters of intimidation and destruction
There are two vital reasons: to verify the authenticity of a card both for collectors and official play and to ensure you can adequately protect your card with sleeves and binders
But, I try not to assume too much nor presume to have a firm grip on the cosmos, the world, the current American political regime, or opening seven draw probabilities
For Hearthhull, I think it comes down to the fact that this deck is dumping tons of lands into the graveyard and it most likely wins the game by bringing them all back in one go - using a card like Splendid Reclamation - for a mass of triggers