Send 4 ADA and you get back:
1.5 ADA + a random amount of RUGG tokens (2M to 22M)

Example amount: 2,986,255
1) Step 1: 500 Billion –> 4 ADA: Random Pull between 2M & 22M
2) Step 2: 250 Billion –> 4 ADA: Random Pull Between 22K & 222K
3) Step 3: 125 Billion –> 8 ADA: Random Pull Between 2K & 22K