While Radiant Lotus has huge potential, it does look a little too difficult to find a home for
If our opponent has no creatures and we just need to empty our hand, maybe we can discard it to Call the Bloodline, Cryptbreaker, Stromkirk Condemned, or Haunted Dead
Doing an appropriately color-shifted Gorilla Shaman on Treasures is pretty sick (even if thats still not good enough to compete with Dockside!)
These daily challenges not only give you a bite-sized way to experience each part of the game, but they also incentivize you to keep coming back for more
Otherwise, it's no different from Cancel
Being able to ramp the best land out of the top four cards of your deck at instant speed is already very useful, but the fact that you can still draw one of them into your hand as a fall back means that you wont have a major downside (see Growth Spiral for a similar effect)