Assuming you have flash, it allows you to play reactively and prevent/mitigate board wipes which is arguably your deck's biggest weakness
However, when I started playing lists without them, I immediately started to miss them
Deviant Skytech "Max speed Sacrifice this enchantment:" (was "Max speed , Sacrifice this enchantment:") Asking players to spend additional mana after reaching max speed was too much on the Skytech
The deck has rapidly worn out its welcome thanks to the ultra-fast, all-in nature of its gameplay which many players describe as trying not to play Magic
As Emchompite explains, Japanese booster boxes have predetermined hit rates, so the population of cards is higher and overall "rarity" of cards is lower

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