In a cEDH deck, for instance, thats packed with all the 0 and 1 cost Artifact accelerants, Mox Opal may be the most synergistic of the bunch but it requires deck building synergy to reach its potential (unlike the Moxen I selected which are kind of just versatile on their own and dont require any build around)
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For that reason, these two anomalies have a list all to their own
In the first set of a brand-new card game made by a company that has never printed a TCG mistakes are bound to happen
You can give it the Rock Tomb and Earthquake TMs for coverage against Flying and Poison types but it doesn't do all that much for it and its better to save those TMs for other Pokemon that need them more
This is not a very powerful land cycle and, similar to bicycle lands, commonly end up in Commander decks as budget options