Hearthpwn

Edit: Fixed to add "battlecry:"

This card is specifically designed to be very good against 1 Durability weapons who've already been swung, such as Fiery War Axe or Jade Claws,  and is better than an Ooze, Corsair or Harrison in those cases. 

Druid Spell that gives you a weapon and transforms the look of your hero. Malfurion is an elf right?

Flavor Text: "Heavy Armors for all your damage reducing needs!"

Turn 2 Fiery War Axe, Turn 3 Ironforge Blacksmith

Combos with weapons with Battlecry and Deathrattle effects (Jade Claws, Death's Bite, etc)

"Buckle up boys, winter is coming."

A card for warriors to use to get back on track. Gives a good chunk of armor, but twice as much if its requirements are met. Pros/Cons in the spoiler.

A better Upgrade! that fits the grimy goons flavor. :)

An idea here.

The chief architect of the Dark Iron Dwarves joins the battle.

Be careful as his battlecry, unlike Alexstrasza's, sets your maximum health to one, so reno won't help much. His second effect means that your weapon deals damage even when a character attacks your hero.

See Golden Monkey

Control warrior needs a little love in standard now that Elise Starseekeris rotating out! This card has a (rather significant) drawback but does not have the Map phase.  This card is used best after you play an Alley Armorsmith or some Shield Blocks. I didn't put quotations around the 'Golden Monkey', seeing as Map to the Golden Monkey does not have them. Let me know what you think!

*edit: Link errors (Zelda was not pleased)

Because Druids can use both Attack and Armor, Broll Bearmantle serves as a great combo card. 

It has high combo potential with Claw, Bite, Feral Rage, and even Savagery; not to mention Fandral Staghelm as well. 

"One does not simply face to your face"

This is a Druid's weapon (I choose this class because Malfurion is an elf). It is very good to prevent damages from big minions or burst spells, but not so efficient when playing against small minions with 1 or 2 ATKs. And it will also lose 1 durability when your Druid attacks with Hero Power or buff ATK spells.

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In The Lord of the rings, Mithril was a precious Silvery metal, very lightweight but capable of providing extreme strength in alloys, which was mined by the Dwarves in the deep mines of Khazad-dûm.

The origins of Mithril Mail are largely unknown, though it was said to have been made for a young Elf prince long ago (that's the reason why Hobbit would wear it). It eventually came to be part of the Dwarven treasure hoard of the Lonely Mountain.

It was found by the dragon Smaug and added to his treasure heap.Here, it was given by Thorin II Oakenshield to the Hobbit Bilbo Baggins, who wore it during the Battle of Five Armies.

Many years later it was gifted by Bilbo to his nephew Frodo Baggins as Frodo set out on his quest to Mount Doom to destroy the One Ring. During a battle in the mines of Moria, an Orc chieftain threw his spear at Frodo. The shirt prevented what would have been a lethal wound, leaving Frodo severely bruised but still alive.

(from lotr.wikia.com)

I like the game of Hearthstone because of the importance of strategic thinking, and the strategies that prevail from RNG. I really liked the card, Blingtron 3000, and I thought I would make a similar card, that can hide your intentions from your opponent, like secrets.