here's some decks i brewed for their post rotation format
Grixis Control
3 CounterSquall
2 Terminate
2 Mutilate
4 Duress
3 Circular Logic
4 Flame Burst
4 Cabal Ritual
3 Burning Wish
3 Gilded Lotus
3 Cruel Ultimatum
1 Time Stretch
2 Nicol Bolas
2 Dragonskull Summit
2 Drowned Catacomb
4 Tainted Peak
4 Tainted Isle
3 Urborg, Tomb of Yawgmoth
3 Crumbling Necropolis
7 Swamp
1 Mountain
1 Island
SB:
1 Time Stretch
1 Cruel Ultimatum
1 Terminate
1 Circular Logic
1 Countersquall
1 Mutilate
AJundi Vengeant
3 Path to Exile
4 Flameburst
2 Farseek
3 Maelstrom Pulse
4 Blightning
4 Grim Lavamancer
4 Goblin Rabblemaster
4 Bloodbraid Elf
3 Ajani Vengeant
4 Elspeth, Knight Errant
4 Exotic Orchard
4 Savage Lands
3 Urborg, Tomb of Yawgmoth
2 Nantuko Monestary
1 Petrified Field
1 Riftstone Portal
(Pretty sure this deck should have more creatures. maybe putrid leech, maybe a couple Thundermaw Hellkite. didn't finish the mana, plenty of ways to go)
SB:
4 Seedtime
2 Anathamancer
4 Groundseal
thetroopsRjerks.dec (hatebears)
4 Grim Lavamancer
3 Phyrexian Revoker / Ravenous Rats
3 Quasali Pridemage
2 Meddling Mage
4 Mesmeric Fiend
4 Tidehollow Sculler
4 Bloodbraid Elf
3 Living Wish
4 Flame Burst
4 Ancient Ziggurat
SB:
1 Meddling Mage
1 Quasali Pridemage
1 Phyrexian Revoker / Ravenous Rats
3 Reclamation Sage
Little Kid Standstill
2 Elvish Mystic
4 Noble Heirarch
4 Nimble Mongoose
3 Basking Rootwalla
4 Wild Mongrel
3 Knight of the Reliquary
3 Sublime Archangel
4 Elspeth, Knight Errant
3 Path to Exile
3 Standstill
4 Circular Logic
4 Sunpetal Grove
4 Glacial Fortress
3 Nantuko Monestary
3 Plains
1 Island
10 Forest
pretty sure there was a strong hunting grounds deck to be had when gitaxian probe and other free spells were around, not so sure now.
grixis might need some card draw in there somewhere. sign in blood, concentrate, or jace's ingenuity.
lapse of certainty might be better than circular logic in little kid