It wasn't just a rare find
First, the draw probabilities: 40 cards 41 cards And, here we have a pretty picture again: And, once again, here is the data for your land-drop probabilities: 40 cards, on the play 40 cards, on the draw 41 cards, on the play 41 cards, on the draw And here are some more graphs: Once again, I've selected common land counts16, 17, 18and graphed them independently
Try your best not to be frustrated by it
The better the grade, the more valuable it becomes
Spend that mana to make more tokens, and youll have yourself a situation with near infinite death triggers, card draw, and enter the battlefield effects
Keeping the above because it took me a long time write and I don't want to undo the effort