Whizbang’s Workshop is ready to welcome visitors!
If you’re unsure where to start, Vicious Syndicate has compiled a list of 40 (!) decks you could try on day 1.
Have fun, and if you come up with a nice deck, please consider sharing it. 
Here’s a wild warlock deck I made around wheel of death
deckdestroyer
Class: Warlock
Format: Wild
1x (1) Crystallizer
1x (1) Dark Pact
1x (1) Felstring Harp
1x (1) Gul’dan’s Gift
1x (1) Kobold Librarian
1x (1) Rock Bottom
1x (1) Supreme Archaeology
1x (1) Touch of the Nathrezim
1x (2) Coroner
1x (2) Defile
1x (2) Drain Soul
1x (2) Elementium Geode
1x (2) Plot Twist
1x (2) Unstable Shadow Blast
1x (2) Zephrys the Great
1x (3) Backfire
1x (3) Chamber of Viscidus
1x (3) Drakkari Enchanter
1x (3) Furnace Fuel
1x (3) Gaslight Gatekeeper
1x (3) Mortal Eradication
1x (3) Scourge Supplies
1x (3) Walking Dead
1x (4) Dark Alley Pact
1x (4) E.T.C., Band Manager
1x (5) Kobold Stickyfinger
1x (5) Steamcleaner
1x (8) Twisting Nether
1x (6) Doomkin
1x (6) Reno Jackson
1x (8) Reno, Lone Ranger
1x (8) Twisting Nether
1x (8) Wheel of DEATH!!!
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To use this deck, copy it to your clipboard and create a new deck in Hearthstone
Tagging here so I remember to give it a try once I got some extra dust to craft Zephyrs. 
Thanks for sharing!