Given its frequency, it might be better understood as a new standard for JP print cards instead of a defect
I often find that if I have the mana untapped, people have to assume that I will use it to keep my Fortress alive, and they swing on elsewhere
Horizon of Progress A land that ramps you then cashes itself in for a card once you have more mana than you know what to do with will rarely be the flashiest card in your deck, but Horizon of Progress does just enough to warrant slipping it into most undemanding mana bases
Alternatively, you can also use Gogo to copy powerful creature abilities like Agent of Treacherys entry trigger, stealing multiple permanents at once
To look at something that's been a tad more effective than Archers, let's switch our viewpoint to Humans in the current Standard format with Shadows over Innistrad
The wild part about that play is that it didn't win me the game