Here is one of my favorite builds to play with Bloodfang.

Hero: Bloodfang

Allies (20):
4x Harbinger of the Lost
1x Deathbone
3x Keldor
2x Death Mage Thaddeus
3x Corpse Shifter
2x Shadow Knight
3x Forgotten Horror
2x Dakrath

Abilities (21):
4x Grave Resistance
4x Now You're Mine
2x Sacrificial Lamb
4x Blood Moon
3x By The Sword
2x Bloodlust
2x Nocturnal Advantage

Items (4):
4x Tombstone Beacon

Locations (4):
4x Ravenscrest: Valley of Secrets

= 50 cards ~ 13930g

Import Code: 1624511B

This uses lots of various tempo outlets to overwhelm your opponent. You get resource renewal/cheats from Ravencrest, Tombstone and Hero ability. You got a few control options, a few options for ability damage and a few options to increase the survivability of your allies.