If you control a Reflecting Pool, and all other lands you control either lack mana abilities or are other Reflecting Pools, you may still activate Reflecting Pool's ability it just won't produce any mana
Curiosity Crafter
And when you pair Imoti with landcyclers like Timberland Ancient or Tidal Terror , which allow you to run several high-cost cards without disrupting your curve, you get even more opportunities to cast big spells for free
These formats have access to almost all cards from Magics history , so players who are interested in playing need to have pretty big collections to get involved
While you can do some weird stuff with this and Food Chain, the common use case is saving your haymaker from Swords to Plowshares, which is honestly pretty sick
And while stuff like Meddling Mage can protect you from disaster on occasion, their payoffs are usually diverse enough in name and all still pretty devastating