I played this list from Gold to first time Masters with an insane win rate, I think around 90%. I got the 10 win streak achievement in the last game to hit Masters, see here. I l landed at rank 15.
A few interactions that might not be obvious:
1) Throwing a Snowball at your own Hojan ramps you and doesn't kill it even if you haven't played a power that turn.
2) Telut, Queen's Hand can trigger twice off berserk.
The ShiftstonedEternal Power Calculator is a deck-building tool that visualizes your odds of drawing enough Influence and Power based specifically on the cards found in your deck.
Probably just Gavel instead of Hailstorm since there wouldn't be a primal merchant. Not enough games to tell with Rost, especially since I don't have all 4. It's much stronger than Sodi/Hurler but Hooru Stranger sucks but is needed with both Rost and Sediti.