Cityscape Leveler feels like a slightly dumbed down version of Ulamog, the Infinite Gyre, straddling the power territory just below the colorless titans, making it something of an honorary Eldrazi
Credit: Wizards of the Coast Park Bleater FromTheShire: More often than not you're going to be looking for ability stickers and power/toughness stickers, both of which require tickets, and this helpful employee is going to fuel you in that direction quickly, especially if you're going wide as it does not specify nontoken creatures
Basically, they are cards that are otherwise typical creature cards, but some condition allows you to flip them over so that they become a new card
The key to Mana Geysers power is that is counts the tapped lands each of your opponents control
Theres plenty of overlap between graveyard decks and artifact decks, as demonstrated by cards like Emry, Lurker of the Loch, or Arcum Dagsson
This makes it a centerpiece for the top blue card decks that prioritize inevitability over attacking