Think I got it, it uses all the tricks in the Book.
Brewmaster on Healing Totem (2 mana)
Hero Power (always spawns Healing Totem because the other 3 are out) (4 mana)
Run Searing totem into Snapjaw to free up a minion slot.
Replay Healing Totem (5 mana)
Use Rockbiter on Taunt totem (6 mana)
Run Taunt totem into Ragnaros to free up a minion slot.
Play Leper Gnome (7 mana)
Play Ancestral Spirit (9 mana)
Play Lightning Bolt on opponent's face dealing 4 (10 mana)
Run Abomination into Snapjaw to make it have 2 health.
At the end of the turn: Healing Totem does 1 to everything. Leper Gnome dies, dealing 2, and it respawns. Second Healing totem does 1 to everything. Leper Gnome dies dealing another 2, Abomination dies dealing 2 to everything, for a total of 10 damage.