Recommendations for a new deck

I’ve been playing thief rogue in standard and a variant of the deck without the quest that uses spectral cutlass for some time now and i’m looking to start investing in a new deck. I’ve liked it so much because of the variety each game brings. Never gets boring.
With that being said, i’m thinking of creating either a standard priest resurrect deck or a wild Warlock Mecha’Thun deck. They both seem very strong right now and I’d like to climb.
Any suggestions between the two or a different priest deck that has been fun/very replayable for anyone?

Warlock

Class: Warlock

Format: Wild

2x (1) Kobold Librarian

2x (1) Mortal Coil

2x (1) Plague of Flames

2x (1) Runic Egg

1x (1) Supreme Archaeology

1x (1) The Soularium

1x (2) Bloodbloom

1x (2) Bloodmage Thalnos

2x (2) Defile

2x (2) Novice Engineer

2x (2) Plot Twist

2x (2) Questing Explorer

1x (2) Zephrys the Great

2x (3) Dark Skies

1x (4) Cataclysm

1x (5) Dollmaster Dorian

2x (6) Aranasi Broodmother

1x (6) Emperor Thaurissan

1x (6) Reno Jackson

1x (10) Mecha’thun

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To use this deck, copy it to your clipboard and create a new deck in Hearthstone

Find this deck on https://hsreplay.net/decks/PG7RI6v2M4PKJXivGBXcEc/

exceptionally strong in wild go for that but 15k dust

Mecha’thun Lock in wild is still decent, but its a bit slow atm compared to the other options (Hourlock & Cubelock).

Still very much a legend viable deck, but the class has better options.