How did that happen?!?!

So yesterday, I spent $500 dino bucks on one of the daily lotteries, and one of the rewards was a wolly mammoth card pack. Again, I only spent 1, and the chances our of winning that is 1 our of 20, but I needed the extra supplies that were in that lottery. I oepned the game this morning to collect my rewards, and, THIS happened!!! And I just thought, thank you!