Crazy Razy is the standard one mana green creature that would be 2 mana in any other color. I also wanted to make sure that prototype found its way into games early on, so he's got that going on as well.
Another card that I used to incorporate the Prototype mechanic. And trample is obviously green green green.
What's that you say? We need a Fog effect in this set? Well, ask and you shall receive. The second effect is an attempt at flavor for the reset; as in, reset the game and choose a different level (land).
There weren't really any spiders to work with in the first two Mega Man games, so I had to make do with what I had. This card doesn't excite me at all, but it fills the role.
A simple creature card, not particularly good, but with the set leaning on equipment, it's an appropriate insertion. And it makes sense, given green's aversion to artifacts.
One of my favorite kinds of cards, it's got two effects that can be used independently or in tandem. Not often will you want to do both effects to the same creature, but its flexibility would make it somewhat playable, perhaps as a sideboard card.