General notes:
* Add Fabled Hero in removal-light/slower matchups.
* Shave Pilgrim in matches where you want to keep mana up or to add Treasure Cruise.

Junk Aggro: out-threat their removal, stem aggression with Glare/Ordeal/Seeker, reload with Dig.  Post-SB, try to be as mana efficient as possible (cut Pilgrim, Eidolon).  Try to win mid-game.
-2 Hopeful Eidolon
-3 Heliod's Pilgrim
-2 Aqueous Form
-2 Stubborn Denial
+2 Fabled Hero
+2 Seeker of the Way
+3 Glare of Heresy
+1 Dig Through Time
+1 Ordeal of Heliod


Mirror: Be control.  Race with Hopeful Eidolon. 
-2 Feat of Resistance
-4 God's Willing
+2 Stubborn Denial
+1 Treasure Cruise
+2 Fabled Hero
+1 Ordeal of Heliod

Gx Devotion: Race with Hopeful Eidolon, Stroke life-gain/Hornet Queen.
-2 Stubborn Denial
-1 Feat of Resistance
-1 Ordeal of Heliod
+2 Disdainful Stroke
+2 Fabled Hero

Junk: Race with Hopeful Eidolon.  Stroke Wrath/Elspeth/Roc.
-2 Stubborn Denial
-1 Ordeal of Heliod
-1 Heliod's Pilgrim
+2 Disdainful Stroke
+1 Ajani's Presence
+1 Treasure Cruise

BUG Whip: Control the pace of the game.  Kill Sidisi when possible.
-1 Ordeal of Heliod
-2 Hopeful Eidolon
-2 Stubborn Denial
+2 Erase
+1 Mortal Obstinancy
+2 Fabled Hero

Junk Whip: Gauge if closer to Midrange or BUG Whip list.  Sideboard accordingly.  Biggest difference is presence of Doomwake Giant or not.

Mardu: Race with Hopeful Eidolon.  Play around Crackling Doom when possible. 
-1 Ordeal of Heliod
-2 Aqueous Form
-2 Heliod's Pilgrim
+2 Stubborn Denial
+2 Treasure Cruise
+1 Ajani's Presence

RUG: Race with Hopeful Eidolon. 
-2 Stubborn Denial
+1 Ordeal of Heliod
+1 Ajani's Presence

Jeskai/Sligh/Tokens: Gain life, play control. 
-2 Aqueous Form
-1 Heliod's Pilgrim
+2 Seeker of the Way
+1 Ordeal of Heliod

Control: Play protect the king game.  Out card-advantage with TC and Ordeal.  Counter the DTT or Ingenuity.
-4 Hopeful Eidolon
-2 Aqueous Form
-1 Ordeal of Heliod
-1 Lagonna-band Trailblazer
-1 Heliod's Pilgrim
+2 Stubborn Denial
+2 Disdainful Stroke
+1 Ajani's Presence
+2 Treasure Cruise
+2 Fabled Hero

Ascendancy Combo: Find at least 2 hate (Stubborn Denial/Erase) ASAP.  Scry like crazy to get them.  Put pressure while doing so.
-1 Ordeal of Heliod
-4 Hopeful Eidolon
-2 Feat of Resistance
+2 Stubborn Denial
+3 Erase
+2 Fabled Hero

Ascendancy Heroic: Find Erase ASAP.  Keep life total high.
-2 Aqueous Form
-1 Heliod's Pilgrim
-1 God's Willing
-2 Feat of Resistance
+3 Erase
+2 Seeker of the Way
+1 Ordeal of Heliod