Still, its a versatile and fully featured deck box

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The Universes Within retread does just fine though
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Not only does this synergize well with "edicts" ways to force your opponents to kill their own stuff but Mazirek also capitalizes off of cards that sacrifice themselves such as lands like Evolving Wilds, or Saga enchantments
The same is true if a prepared creature becomes a copy of something else, even if it's then a permanent without a prepare spell