I dont think the legend/control deck
Alex is the punch needed to get back on to even damage footing after keeping the poor clean early on (where you end up using your face a fair amount). There are plenty of cards in the overall warrior deck to go either way, control or aggro but I completely disagree the class is best suited for just aggro. In my mind the class really shines as control.
Warriors right now have a glaring problem where they have to spend 2 cards to kill high threat cards. Their so-called "advantage" of low-cost removal aka Execute is nullifed by lack of class based minion / burst card draws
I'm using a combo/control warrior deck (I don't have all the cards needed for the "standard" one, so I made my own "ghetto" version that's far from as good as the deck most people run) and it's one of my better performing decks.
Obviously people just make sure they lose when they see what I play because they feel sorry for me and my nonviable deck.
Seriously, registering at the forums to post a thread saying that one of the more used decks isn't viable is just silly, hence my trolly response.
EDIT: Druid is pretty good as well. Against hunter facerush as well as other stuff.
As for the Warrior style, even in WoW Warriors are primarily tanks and damage dealers second. Hunters, Rogues, Mages, etc all have higher damage than Warriors, but are much more squishy because they either have range, stealth or both to compensate for their squishiness. Warriors are tough front liners that need to be able to soak up damage, otherwise they'll die instantly. But hey, guess what? Hearthstone isn't WoW, nor is it an RPG. Classes don't have a specific style, deck archetypes do. Most classes can pull off aggro, combo, mid range and control decks, these are the game styles not anything class specific. Now, if you meant to say that Warrior control doesn't play like other control decks than I'd agree with you and tell you that Warrior control is a unique deck within the control archetype. I'd call it a combo-control deck to be more accurate in TCG terms, as it primarily wins with a turn 9+ Alexstrasza into Grommash+enrage(Inner Rage or Cruel Taskmaster)+weapon/other minion on board for the kill. That's a combo right there, that takes 2 turns but doesn't require the first turn's component to stick around, meaning that you don't actually need Alexstrasza to survive in order to win, but if your opponent doesn't remove Alexstrasza than it's much easier to win with Grommash as than Whirlwind would give you enough damage, no need for the +2 and enrage nor another minion/weapon as you have 8 damage from Alexstrasza.
The rest of your post makes as much sense as the beginning of it, as in none whatsoever. You find mid-range Warrior decks to be more reliable yet mid-range Warrior decks are pretty weak, 2nd only to Warlock mid-range which is truly awful. Warrior mid-range works to an extent but is far from a strong archetype. Warrior control on the other hand is a very reliable deck, you need to have a particularly bad draw and your opponent to have particularly good draw in order for you to lose, or for you to not understand how the deck is meant to be played and make a lot of crucial mistakes because of that. That's why a lot of the high ranking players play Warrior control, because it's an optimal and very efficient deck that has a high win percentage against most decks when played properly. If that doesn't make a deck viable than I don't know what does, or perhaps you don't understand the meaning of the term viable, I don't know.
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