Originally Posted by
Tyrio
I'm not sure exactly what your main deck is because your link is broken, but I would probably try something like:
Jund will bring in Surgicals, so you'll want your Tranquil Thickets. I haven't tried out the Spheres against them, but it seems very mediocre. I would do something like
-1 Karakas -2 Intuition, -1 Manabond
+4 Dark Confidant
Storm
-1 Karakas, -1 Glacial Chasm, -3 Maze of Ith, -1 Academy Ruins, -2 Engineered Explosives, -1 Oblivion Stone, -1 Ensnaring Bridge, -1 Tabernacle (if they're not on TES),
+3 Chalice of the Void, +4 Sphere of Resistance, +4 Dark Confidant
You can also try boarding in Krosan Grips to get their Petals if they play them out early or an LED if the spell they cast afterwards isn't Hellbent-Infernal Tutor. I haven't playtested enough against Storm to know the efficacy of that play (probably pretty low), but the alternative is probably keeping in PFires in hopes to nab their own Dark Confidants if they run them or getting them if they Ad Nauseam too low. Intuition is pretty slow, but in desperate times you can Intuition for triple hate pieces.
Show and Tell
-1 Glacial Chasm, -1 Life from the Loam, -2 Engineered Explosives, -1 Maze of Ith, -1 Tabernacle, -1 Zuran Orb, -2 Entomb, -1 Bojuka Bog, -4 Punishing Fire,
+4 Dark Confidant, +4 Sphere, +3 Krosan Grip, +3 Chalice of the Void
Chalice is only okay because it doesn't directly hit their combo pieces, but it slows them down. You can also try keeping the PFires in and swapping out some other mediocre lands if they Griselbrand twice.
Delver
Generally have Surgicals/RIP
-1 Karakas, -3 Intuition, -2 Entomb, -1 Manabond
+4 Dark Confidant, +3 Chalice of the Void
Our matchup against Delver is already very, very good, so you can maybe forego the Dark Confidants for just the Chalice (taking out some number of Karakas, and Intuition I suppose). I don't bring in the Spheres against them because they aren't really needed and the prospect of getting tempo'd out under our own Spheres is probably very real.
Shardless
-1 Karakas, -2 Intuition, -1 Manabond
+4 Dark Confidant
Sideboarding isn't too tough. Against fair decks i.e. decks with grave hate you want to take out some of your graveyard reliant cards (Intuition, Entomb) and some of your toolbox cards (Bojuka Bog, Karakas) for your Dark Confidants. Against combo you just board out all your anti-creature/permanent cards for most of your sideboard.