Bayou Groff might be a good replacement for the Siege Wurm it'll come out before your landshaper and draw fire
That's a deck about getting just a bunch of characters out and just Questing [gaining points] really fast Emerald & Ruby is really, I think, the most strategically complex of the three
Coming back from the yard pushes Unstoppable Slasher over the top, though fun fact: If you put a -1/-1 counter or stun counter on it (or any counter, for that matter), then kill it, it wont come back
The sleeves included in the Elite Trainer Box are a nice touch, too, with colorful silhouettes of some of Kanto's Pokemon emblazoned across them
Its one of the easiest cards to combo with Phyrexian Altar, which is one extra zombie away from a repeatable loop