Matchups & Sideboard Plans:
Slow combo decks: Try to don't mind them, just go fast.
Angler Delver: -2 Groundswell, -2 Gitaxian Probe, +2 Vitality Charm, +2 Apostle's Blessing
Auras: - 4 Gitaxian Probe, + 2 Nature's Claim, +2 Apostle's Blessing. Nature's Claim is a great combat trick in this matchup, Apostle's Blessing gives evasion against those big hexproof creatures.
Affinity: -2 Giant Growth, -1 Gitaxian Probe, +3 Nature's Claim. Destroy their lands and also be faster.
Burn: No changes, you can always play around 3 damage spells on your creatures, but there are times you will need to go all in.
Delver Fiend: On the draw: -3 Giant Growth, +3 Fog. On the play: -2 Giant Growth, +2 Fog.
Domain Zoo: -3 Gitaxian Probe, +1 Predator's Strike, +2 Apostle's Blessing
Elves: -3 Gitaxian Probe, +1 Predator's Strike, +2 Apostle's Blessing
Familiar: -2 Apostle's Blessing, -1 Gitaxian Probe, +3 Gut Shot. Kill the Cloud of Faeries.
Goblins: On the play: -2 Gitaxian Probe, +2 Apostle's Blessing. On the draw: -3 Gitaxian Probe, +2 Fog
Mirror: On the draw: -4 Giant Growth, -2 Groundswell, +3 Fog, +3 Gut Shot. On the play: -2 Gitaxian Probe, -1 Giant Growth, +2 Gut Shot, +1 Fog
Kuldotha Boros: -3 Gitaxian Probe, +3 Nature's Claim.
MonoBlack Control: -4 Giant Growth, -1 Groundswell, +3 Vitality Charm, +2 Apostle's Blessing. This is very hard, try to kill on turn 2. Vitality Charm helps against Edicts.
MonoBlue Delver: -1 Gitaxian Probe, -1 Giant Growth, +2 Gut Shot
Stompy: -3 Gitaxian Probe, +1 Predator's Strike, +2 Apostle's Blessing. You can also side in some Fogs, but I don't mind it, Infect is faster.
Tron: No changes.
UB Teachings: Angler Delver: -2 Groundswell, -2 Gitaxian Probe, +2 Vitality Charm, +2 Apostle's Blessing
White Weenie: -4 Gitaxian Probe, -1 Giant Growth, +2 Apostle's Blessing, +3 Gut Shot. Use Gut Shot against Icatian Javelineers and of course Standard Bearer.