In addition to producing mana, many druids interact well with creatures, like Beast Whisperer and Bennie Bracks, Zoologist
That's always my starting point, which is then tweaked to suit the individual deck's strategy and further tweaked with playtesting
They are more flexible than Treasure Cruise, are awesome in Simic Ramp with Cultivate stuff from Green or Izzet Spellslinger with Treasure makers for things like Guttersnipe or Dimir with Coffers and Urborg or with mono-Blue Nykthos, Shrine to Nyx
Even though Time Vault does very little on its own, the easy combo potential puts it at number five on the best MTG Artifact list
You flip the cards face-down 1-2-3 and
Research Your Pokmon Cards Before Buying Prevention beats detection every time