Hearthpwn

Whats the one card that you can't go without? You can name any and all classes but just ONE card that is a must for your deck. 

Thanks in advance for those that answer ;-) 

The Banshee Queen herself. 

i will get a lot of hate for this but... Flamewaker i'll miss him so much when he rotates out.

Azure Drake

Tirion Fordring

Dr. Boom. I really wish he was in standard. The stupid hearthstone devs refuses to give us a proper 7 drop.

Good ol' Waraxe. ;-)

In before Purify

Before the nerfs it was Big Game Hunter, now it's Barnes

Leeroy Jenkins

Yogg-Saron, Hope's End

N'Zoth

4 mana 7/7 , easy trigger

Quote from Infirc >>

i will get a lot of hate for this but... Flamewaker i'll miss him so much when he rotates out.

Quote from LucasFranke >>

Before the nerfs it was Big Game Hunter, now it's Barnes

Among the neutrals, it's Golden Acolyte of Pain for all my Warrior decks :D I dont know why, but I love this card.

Ever since I crafted him, I can think of nothing more satisfying than dropping rag. Great win condition for almost any deck.

Innervate ^.^

Reno Jackson - We're gonna be rich!

Medivh, the guardian.

Putting it in every possible deck