Dragon has many resurrection methods such as redame, so deployment is not that difficult, so there are many opportunities to activate the dual effect unexpectedly
Also, I am going to note that - if we find cards that can search for Deserts - Conduit might secretly become the strongest of all the common lands
We've determined that there aren't many decks that can counter this, and this harms the diversity of decks in the gameplay environment
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Staple lands included the mana fetchlands like Wooded Foothills, Bloodstained Mire, and Fabled Passage
Exactly what that could be is anyone's guess, but my vote would be for Chronarch, the same type of time-bending mage as planeswalker Teferi