I am sorry if this is low-key hi-jacking your post (but I don't see anybody replying anyhow). While your strategy may work, I think you can make a pretty close to BiS twink 19 Shaman for a very affordable rate. While 19 Shamans don't bruise very hard, they provide:
- Purge
- Earthbound Totem
- Earth Shock
Which are all pretty valuable to team fights and killing EFCs.
Here is what I plan on doing on my friend's server where I will not have a 60:
https://sixtyupgrades.com/set/sfmdhy4dLv9cdiSDswgPYU
Literally every piece is a BoP except the Engineering helm. And none of the enchantments are over 10g except for +7 Strength to gloves. Should just take a few days of fishing to fund the enchants. Then maybe eventually I'll work my way up to an Evocator's Blade with 22 Intellect or something.
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For your situation, if you just want a 2H Warrior with Mail only gear that looks fine. Most of the power of 19 Twinks comes from enchantments anyway since they provide so much stats/dmg relative to the gear. I'd also pick up Runic Darkblade. I haven't run the #s, but it is slightly better than Night Reaver. However, most Warriors seem to eschew it for Deadskull Shield.
Otherwise, I think the 29 Bracket is pretty easy on Warriors for BiS. You can probably get a more competitive warrior without BiS enchants since the warrior itemization is pretty good.