Looking back, 0/0 Germs made design a bit tricky, as all Equipment had to provide a toughness boost, but it started a trend of design that would spawn many more mechanics
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If you do, create a token that's a copy of that creature, except it's 1/1 and has toxic 1
Of course, there's also Gix, Yawgmoth Praetor's activated ability which can serve as a powerful lategame finisher: 7 mana is a ton for this deck and you need a full grip of cards to consider it, but exchanging a full grip of 1-mana 1/1's and Swamps for your opponents better cards is a great way to overwhelm the table
Obelisk of Urd passes the more than one power test, while Metallic Mimic passes the converted mana cost test