Here are Many of the master writs. I have listed ranges of rewards that I noted.
enchanting 2-7 vouchers
wood 2-10 with one at 63
provisioning 2 vouchers
clothier 2-18 vouchers
blacksmith 5-34 (34 was one of the many, one uber high reward at 217 which may or may not be an error)
alchemical 2-5 vouchers
***** The writ crates are given when you create a new toon. So create a new one, open the crates and read what they are for yourself if you wish. *****
I believe mine were in my inventory.
Here are the ones I had time to type out:
craft a stealth draining poison IX with - cowardice, increase spell resist, detection 2 writ vouchers
craft rubedite gauntlets - legendary, divines, twilight embrace, imperial style - 21 writ vouchers.
craft rubedite cuirass, epic, nirn, twilight embrace, xivkyn, 32 vouchers
essence of rav stam - vitality, increase armor, rav stam 5 vouchers
essence of ravage health with breach, increase spell power, rav health, 5 vouchers
rubedite mace - legendary, charged, eternal hunt, dark brotherhood, 25 vouchers
rubedite mace - epic, powered, alessia's bulwark, orc 5 vouchers
rubedite maul, legendary, nirn, tava's favor, skinchanger, 257 vouchers (error?)
rubedite helm, legendary, reinforced, hist, khajiit 19 vouchers
rebedite cuirass, legendary, reinforced, kvatch gladiator, barbaric, 20 vouchers
rubedite greatsword, epic, decisive, twilight's embrace, breton 5 vouchers
rubedite mace - epic, sharpened, hundings, dwemer, 6 vouchers
rubedite helm, epic, nirn, song of lamae, outlaw 34 vouchers
rubedite gauntlets, epic, divines, song of lamae, orc 5 vouchers
rubedite cuirass, legendary, impen, song of lamae, yokudan, 23 vouchers
rubedite maul, legendary, nirn, ashen grip, redguard, 217 vouchers (wha???)
ancestory silk hat - legendary, divines, varen's legacy, primal 18 vouchers
rubedo leather bracers, legendary, divines, julianos, outlaw, 18 vouchers
rubedo leather bracers, epic, prosperous, hunding's rage, thieves guild, 2 vouchers
rubedo leather jack, epic, training, eternal hunt, celestial 3 vouchers
ancestory silk sash, legendary, prosperous, twilight, glass 19 vouchers
ancestor silk hat, epic, well fitted, seducer, dunmer 2 vouchers
rubedo leather arm corps, epic, divines, julianos, order of the hour, 3 vouchers
ancestory silk breechers, legendary, training, song of lamae, aldmeri dominion 19 voucher
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did not see voucher rewards on these
Craft ravage health potion with following traits:
- gradual ravage health, ravage heath, ravage stamina (progress is 20)
Masterful Feast:
Craft witherd tree inn venison - progress is 8
craft orzorga's red frothfar - progress is 8
1 superb glyph of stamina epic quiality
craft ruby ash healing staff with following properties:
epic, precise, eternal hunt, soul shriven style
craft a rubedite dagger with following properties:
epic, training, night's silence, skinchanger style
craft a rubedo leather jack with the following properties:
legendary, prosperous, whitestrake's retribution, assassin's league style
Materful Feast
orzorga's triple trifle pocket progress 8
lusty argonian maid mazte progress 8
1 legendary superb health enchant
rubedite greatsword legendary, defending, oblivion's foe, daggerfall covenant style
ruby ash frost staff legendary, defending, oblivion's foe, yokudan style
ancestor silk gloves legendary, reinforced, trial by fire, thieves guild style
Craft an escapist's poison IX with the following traits:
unstoppable, restore magicka, spell critical (progress total is 20)
craft a damage magicka potion IX with the following
lingering health, restore health, ravage magicka, progress 20
craft a longfin pasty with melon sauce - craft 8 actually
craft a velothi view vintage malbec - craft 8 actually
craft an epic superb glyph of shock resist
craft a ruby ash shield - epic, training, song of lamae, breton style
craft a rubedit maul - epic, decisive, shalidor's curse, bosmer style
craft ancestory silk hat - legendary, sturdy, kagrenac's hope, yokudan style
craft a speed draining poison IX with the following traits: increase weapon power, speed, restore stamina (progress is 20 total)
craft a jugged rabbit in preserves (progress is 8 total)
craft a velothi view vintage malbec (progress is 8 total)
craft a truly superb glyph of pison epic
craft a ruby ash lightning staff - legendary, nirnhorned, ashen grip, mercenary style
craft a rubedite mace - legendary, infused, twice-born star, dark brotherhood style
craft a rubedo leather helmet - legendary, prosperous, song of lamae, khajiit style
Craft an essence of immovability with the following traits - unstoppable, restore mag, restore health (progress 20)
craft an orzorga's smoked bear haunch (progress 8 - this one requires perfect roe IIRC)
craft an orzorga's red frothgar (progress is 8)
craft a truly superb glyph of bashing legendary
craft a rubedite pauldron - epic, reinforced, redistributor, glass style
craft a ruby ash shield - legendary, impenetrable, noble's conquest, yokudan style
craft a rubedo leather jack - legendary, proposterous, twice born star, outlaw style
craft an essence of ravage health with enervation, fracture, ravage health - progress is 20
craft a capon tomato-beet casserole progress is 8
craft a psific ambrosia, progress is 8
craft a truly superb glyph of decrease physical harm epic
craft a rubedite girdle - legendary, well fitted, armor master, celestial
craft a ruby ash bow, epic, sharpened, clever alchemist, yokudan
craft a rubedo leather belt with the following - epic, impenetrable, julianos, ancient elf style
craft damage health poison IX with - increase weapon power, speed, ravage health (progress 20)
craft orzorga's blood price pie progress 8
craft lusty argonian maid maste progress 8
craft truly superb glyph of decrease physical harm epic
craft rubedite pauldron - epic, reinforced, song of lamae, draugr
craft ruby ash bow - legendary, decisive, seducer, ancient elf
craft rubedo leather belt - epic, proposterous, tava's favor, dwermer
These are not all of them. There were many more, but you get the idea.