I made a post about it so I’ll just copy paste 
Demon Hunter
What I’d remove - Chaos Strike, Illidari Inquisitor
What I’d change - Warglaives of Azzinoth to 3/4
What I’d add - Blade Dance, Wrathscale Naga, Soul Split.
Druid
What I’d change - Nourish to 5-mana but give empty mana crystals, Ancient of War to choose one - +6 attack and rush; or +6 health and taunt.
What I’d like to see added - Raven Idol, Gnash, Starfall (at 4-mana), Swipe
Hunter
What I’d change - Savannah Highmane to 6/7
What I’d like to see added - Cat Trick, Goblin Prank, Cave Hydra, Hunter’s Pack, Rat Pack, Seeping Oozeling
Mage
What I’d like to see added - Arcane Artificer, Ancient Mysteries, Arcane Flakmage, Duplicate, Pyromaniac, Dragon’s Fury
Paladin
What I’d change - Pursuit of Justice to 1-mana
What I’d like to see added - Competitive Spirit, Hidden Wisdom, Meanstreet Marshal, Lost in the Jungle, Solemn Vigil, Level Up! (at 5 mana)
Priest
What I’d change: Crimson Clergy to +2 attack when healed, Psychic Conjurer to 2/1, Shadowform to “if already in shadowform, deal 3 damage”, Natalie Seline to 6-mana 6/1
What I’d like to see added - Shadow Ascendant, Wretched Reclaimer, Shifting Shade, Tortollan Shellraiser.
Rogue
What I’d remove - Shadowstep
What I’d change - Plague Scientist to 2/4
What I’d like to see added - Doomerang, Blade Flurry, Roll the Bones, Unearthed Raptor, Hench-Clan Burglar, Shadowcaster
Shaman
What I’d like to see added - Voltaic Burst, Ancestral Knowledge, Ice Fishing, Call in the Finishers (at 3-mana), Thunderhead
Warlock
What I’d remove - Drain Soul
What I’d change - Dread Infernal to 6/7
What I’d like to see added - Voidwalker, Darkshire Librarian, Darkshire Councilman, Silverware Golem, Cruel Dinomancer, Soulwarden
Warrior
What I’d remove - Gorehowl
What I’d change - Fiery War Axe to 2-mana, Frothing Berserker to 2/5, Warsong Commander to 2/4
What I’d like to see added - Battle Rage, Bolster, Commanding Shout, Bloodhoof Brave, Death Revenant (at 4-mana).
Neutral
What I’d remove - Elven Archer, Mad Bomber, River Crocolisk, Injured Blademaster, Spider Tank, Chillwind Yeti, Sen’jin Shieldmasta
What I’d change - Young Priestess to 1/2, Crazed Alchemist to 2/3, Kobold Geomancer to 2/3, Redgill Razorjaw to 4/1, Earthen Ring Farseer to 3/4, Flesheating Ghoul to 3/4, Ice Rager to 5/3, Ironbeak Owl to 2/2, Big Game Hunter to 3-mana, Dark Iron Dwarf to 4/5, Grim Necromancer to 2/5, SI:7 Infiltrator to 3-mana 4/3, Stormwatcher to 4/9, Sleepy Dragon to 8-mana.
Some cards I’d like to see added - Ancient Watcher, Baleful Banker, Doomsayer, Lorewalker Cho, Unstable Ghoul, Wild Pyromancer, Living Dragonbreath, Masked Contender, Spiritsinger Umbra, The Voraxx, Whizbang the Wonderful, Cobalt Scalebane, Harrison Jones, Antique Healbot, Spiteful Smith, Stampeding Kodo, Skulking Geist, Unseen Saboteur