Okay. I'll give it another go. :)
Rush them with deception. Kill them before they get 6 Mana.
- Round : Switch Duelist + Dark knives
- Round : Cobra Scepter
- Round : Jinx Duelist
- Round : Assassins Aim
- Round : He ded.
Also Rapture Dance and A Toast to Peace in case you reach 6 rounds as direct hard counters.
Share your deck from gudecks.com so we can see the success rate. You have to be able to pull it off ;)