I am having a very nice experience with Proof Of Weak Hands 3D...

https://powh.io/?masternode=0x8246b8b9f21143d5718f9505028f2b67fc84ed84

Get a masternode for less the $150

To get a masternode with a ref link, then you need to buy atleast 5 p3d, the price is on the website.

NOTE: This is a high risk investment and there could be bugs or other things happening to the contract.