Activating this trainer:
Press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey.All hotkeys can be changed on the trainer.

Trainer Options:
NumPad1: Change Sins By 5
NumPad2: Change Gold By 5000
NumPad3: Change Mana By 500
NumPad4: Reveal Minimap
NumPad5: Show Developer Console

Editor Options:
Misc: Sins
Misc: Mana
Misc: Gold
Misc: Mana Lock

Developer Console Commands:
SpawnUnit = Unit names: Augre, Cultist, Gnarling, Crackpot, WitchDoctor, Necromancer, Succubus, Usage: SpawnUnit [UnitName] [team] [XPLevel]
SpawnRoom
SpellRoom
SpellTile
Spell
SpellUnit
SpawnFlag
AddSin = Adds sin, usage: AddSin [value]
CreatePotion
CompletePotions
CompleteRituals
Upgrade
AddGold = Adds gold, usage: AddGold [value]
RemoveGold
AddMana = Adds mana, usage: AddMana [value]
MaxMana = Set max mana, usage: MaxMana [value]
InfiniteMana = Usage: InfiniteMana [true|false]
InfiniteGold = Usage: InfiniteGold [true|false]
ChangeTeam
UnlockCampaign = Unlocks campaign, includes steam achievements
ResetCampaign = Resets campaign
ResetSteam = Probably resets everything like campaign, achievements etc
SpawnArtefact
DisplayCameraDepth
SetCameraFoV
SetCameraFarPlane
ResetMinimap
SaveRecording
MPan
OpenSaveFolder
ResetCustomCampaignProgress
ResetSaveFiles
DeleteSave
ChangeCampaign
ResetWorkshop
SetFoV
ToggleParticle
ToggleCampaignHighlight
UnscaledCamera
ToggleGO
CampaignProgress
CampaignDowngrade
AIPlayerActivate
AIPlayerDeactivate
NPCActivate
NPCDeactivate
Alliance
ForceNextWave = Forces next wave
SetMapToEditMode
SetIceTheme = Usage: SetIceTheme [on/off or true/false]
SetTerrainTheme
TestOverlay
ToggleMPDUI = Toggles my pet dungeon debug UI
UnlockMPD = Unlocks my pet dungeon
ResetMPD = Resets my pet dungeon
SetMapMode
FixMapMode
SpellGoldStatue
SpellDecoGoldStatue
SpellDefActive
SetActiveUnderlord
SetProgressUnderlord
TestMap
SetCampaignDifficulty
DeleteGO

Notes:

Show Developer Console: Press hotkey to open console. Enter one of the commands above. To close the console type 'close' without quotes and hit return.