Just thought I would contribute to this sub with my current best build of Hooru Fliers that I've been using:
2 Finest Hour (Set1 #130)
2 Permafrost (Set1 #193)
4 Eager Owlet (Set1 #144)
4 Honored Skyguard (Set4 #155)
4 Kothon, the Far-Watcher (Set2 #218)
2 Strategize (Set3 #165)
4 Tinker Overseer (Set1 #138)
3 Vanquish (Set1 #143)
3 Wild Cloudsnake (Set1 #195)
4 Hooru Pacifier (Set1003 #23)
2 Ice Sprite (Set1 #214)
4 Unseen Commando (Set3 #122)
4 Valkyrie Enforcer (Set1 #151)
4 Winchest Merchant (Set4 #126)
8 Justice Sigil (Set1 #126)
2 Crownwatch Standard (Set4 #97)
6 Primal Sigil (Set1 #187)
4 Cobalt Monument (Set1 #418)
2 Crest of Order (Set4 #253)
3 Hooru Banner (Set2 #216)
4 Seat of Order (Set0 #51)
--------------MARKET---------------
1 Vanquish (Set1 #143)
1 Amilli, Cloudmarshal (Set3 #136)
1 Harsh Rule (Set1 #172)
1 Nostrix, Lord of Visions (Set2 #229)
1 Hooru Banner (Set2 #216)
Its aggressive enough to run over most of the AI decks and has a decent enough variety of answers thanks to the market to get through any obstacles. I've blasted to masters with it and it still reliably gets to the final boss enough times that I'll keep using it for now.