Assuming you have flash, it allows you to play reactively and prevent/mitigate board wipes which is arguably your deck's biggest weakness
If you really dont want your opponent to have Urza's Tower, or Nykthos, Shrine to Nyx, or Phyrexian Tower, heres a way to get them gone for good
1 of 5 Textured foil double exposure mythic rare cards (1%) 1 of 10 Traditional foil Special Guests mythic rares (3.1%) The rest of the time (85.9%) you'll get a single card from the slot above but in traditional foil (using the same breakdown in variants and rarities) 1 Traditional foil double-sided token *Approximate percentages Duskmourn: House of Horror Commander Decks Each Duskmourn: House of Horror Commander deck contains the following: 1 Ready-to-play 100-card Commander deck with: 1 Traditional foil face commander with borderless art 1 Traditional foil featured commander with borderless art 10 New-to- Magic cards 10 Schemes for the Archenemy format 10 Double-sided tokens 1 Collector Booster Sample Pack 1 Deck box For more information on the contents of each Commander deck, check out the Duskmourn: House of Horror Commander decklists
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As Emchompite explains, Japanese booster boxes have predetermined hit rates, so the population of cards is higher and overall "rarity" of cards is lower
If that seems good to you, Brass's Tunnel-Grinder is your best pal