Use it when you want a single place to evaluate whether an item looks strong, weak, overextended, early, or simply active in multiple parts of the market
Simple, aggressive, and perfect for decks that love dropping extra lands and turning sideways
When it ETBs, this brings back any dead dork to your battlefield for free
Nowadays there are a number of them retailing in the $20s, and Tectonic Edge can be purchased for even less
Negate I believe that Negate is always one of the most important cards in any format its in, but its impact is easy to underestimate its just a simple, catch-all answer that you can even splash for and that will radically change how many matchups are played
Either way, these spells are very powerful and will see extensive play in constructed and singleton formats in years to come