The payoff of this meld pair, doesn't win the game on the spot, and I'd stress that to your Bracket 3 playgroup because while this deck puts together powerful cards, it is not optimized to be unbeatable, and more focused on a huge play with some Golgari death and graveyard interaction molded in
This matches the structure of recent sets like Duskmourn: House of Horror and Bloomburrow
Sink into Stupor / Soporific Springs Disruption and mana consistency come together in Sink into Stupor, offering a bounce effect on one side and a blue-producing land on the other
Azusa, Lost but Seeking lets you draw up to three cards a turn, and Aesi, Tyrant of Gyre Strait can double up your draw effect while also letting you play more lands
Have you ever made a landfall-centric deck, or do you just sprinkle in some landfall cards for value
If you're an avid MTG player, you may need to sell some of your cards to make room for new ones