H: Sword of Fire & Ice, Wurmcoil, Garruk COB, Prime Time, more!

I'm really looking to obtain a batterskull.  I have a sword of Fire and Ice that I'm willing to part with and a Foil Wurmcoil Engine.

Cards that I'm looking for include:

Batterskull (highest priority)
Survival of the Fittest
Genesis
Chaos Warp
Greater Good
Bear Umbra
Godo, Bandit Warlord
Aggravated Assualt
City of Solitude

Here's my tradelist:  http://deckbox.org/sets/164512?s=j&o=d

If you have any of these hit me up!