This card can be dangerous. In standard Secret Paladin need this one so bad and can protect it, meanwhile Hunter can have some synergy but the new card are more pointed to the beast. Secret Mage probably don't need this since the secret cost 3 mana
Leyline Manipulator created some great tempo plays, and with all the small-spell generation in Mage, I can see this being similar. With Sorcerer's Apprentice rotating, mage is going to miss those spell discounts, so this might be their best replacement.
I can see an obscure DH combo where you discount your 5-cost Deathrattles you include for Death Speaker Blackthorn so that they are also pulled by Razorfen Beastmaster, but I don't think the meh stats on this card are justified by the off chance you can make this happen.
New Neutral Minion - Crossroads Gossiper
This card can be dangerous. In standard Secret Paladin need this one so bad and can protect it, meanwhile Hunter can have some synergy but the new card are more pointed to the beast. Secret Mage probably don't need this since the secret cost 3 mana
New Warrior Minion - Stonemaul Anchorman
Immediate board effect and card draw? Seems like a dream for anything from aggro to midrange.
New Shaman Minion - Earth Revenant
Agreed
New Warrior Minion - Whirling Combatant
Agreed
New Priest Minion - Soothsayer's Caravan
Too slow, will in most cases not survive long enough to make an impact
New Neutral Minion - Oasis Thrasher
Well I guess now Face Hunter knows how they'll replace Kobold Sandtrooper.
New Warrior Minion - Stonemaul Anchorman
Agreed
New Shaman Minion - Lilypad Lurker
Agreed
Refreshing Spring Water
(Possibly) 0 mana draw 2? My Spell Mage would love this. Any Mage would love it whenever it happens
New Neutral Minion - Death's Head Cultist
Good against aggro, great in Arena imo.
New Rogue Minion - Apothecary Helbrim
I am not sure about the poison package right now, but if this will take off then in large parts to this card
New Neutral Minion - Razormane Raider
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New Mage Minion - Rimetongue
You'd probably run this in any freeze mage deck.
New Mage Minion - Arcane Luminary
Leyline Manipulator created some great tempo plays, and with all the small-spell generation in Mage, I can see this being similar. With Sorcerer's Apprentice rotating, mage is going to miss those spell discounts, so this might be their best replacement.
New Neutral Minion - Burning Blade Acolyte
This will certainly be good in arena, and there are less silences available in standard so it's not terrible.
New Druid Spell - Pride's Fury
Cool
New Neutral Minion - Southsea Scoundrel
Great stats, discover and a pirate tag. Seems decent.
New Neutral Minion - Death's Head Cultist
Good antiagro card since it can stall the board in the first turn of the game. If the meta will be made-up of agro deck, this card will shine
Reckless Apprentice
With the reveal of Wildfire (and the chance of discovering it from random sources) this card is a lot better than it looks
New Neutral Minion - Shadow Hunter Vol'jin
Coll
New Warrior Minion - Stonemaul Anchorman
This card could be good in Pirate Warrior in wild.
New Neutral Minion - Southsea Scoundrel
Mechanic is interesting but the effect is rather awful. You do not want to give your opponent a free card, that is terrible in most cases
Rancor
Solid AoE
New Neutral Minion - Hog Rancher
In arena will shine since on turn 3 you can trade all X/2 minion and have a 3/2 on board. In contructed can find a spot in some token and agro deck
New Neutral Minion - Barrens Trapper
I can see an obscure DH combo where you discount your 5-cost Deathrattles you include for Death Speaker Blackthorn so that they are also pulled by Razorfen Beastmaster, but I don't think the meh stats on this card are justified by the off chance you can make this happen.