You can't even float mana like you can with Upheaval, so you're often right at square one with everyone else
At the beginning of each end step, if there are three or more quest counters on this enchantment, you may put a Kraken, Leviathan, Octopus, or Serpent creature card from your hand onto the battlefield
FromTheShire: Stop me if youve heard this before: cheating mana costs is one of the single most powerful things you can do in Magic
If you use Ashling, this will always be red, but if you use Mass of Mysteries, this can be any color
Ive gotten some mileage out of it with leaves-the-battlefield triggers, like on Slithermuse and Nevermaker
Think of Vega, the Watcher decks in EDH, or decks built around the Doctor Who paradox mechanic or the foretell mechanic