Combining the different themes is easy because it all uses the same mechanic and gives you great amounts of freedom on creating a style of deck you like
Vogar, Necropolis Tyrant puts all your sacrifice effects and spells to good use, giving him +1/+1 every time a creature would die during your turn
I mean, maybe its just me, but that seems insanely good when measured up against what green typically gets in its goodie bag
Heavily discouraging opponents from attacking you, but not in a way thats so obviously threatening that it demands removal, is powerful
You could need a removal spell for some 1/1 Soldier tokens and then grab Impulse, Disenchant, and Jump as your three instants
I suppose there could be duplicate guilds), so my plan is to pick up two copies of Ravnica: Clue Edition and hope to pull together all ten guilds for my game box