Also Jason while you're here:
Mad science U1
enchantment
U, sac a creature: draw a card. Play this only as a sorcery
Taking suggestions for flavour text
I do love the idea of a hard to remove zombie for gravecrawler staying power though
Jason has suggusted the 3/2 flying unearth, I've got my B1 2/1 undying, and at one point I had a zombie piker with "pay 1 life: regen"
He worked reasonably well. Maybe this is a cooler way to do it?
How about...
Random early morning thought:
Random: That's not a cube, it has 4 brainstorms!
Me: Oh, you didn't read it properly. It's actually a C.U.B.E. Custom Upscale Boxed Enviornment. Didn't you notice?