I have 3 SoW and 3 SoFo so far (as well as 1 SoFr and 1 SoI). I may put up decks with those if I get more of them. A really nasty Shard "farm" would be QTs, SoI, random Shards.
5 Oracle card, 5 SoG, 5 SoSe, 5 SoFo, 5 SoI, 10 QT, Mark of Life/Entropy/Earth