Activating this trainer

If not state otherwise below, press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey. All hotkeys can be changed on the trainer.

Trainer Options

# Developer Cheats 
     NumPad1: Developer Mode

# Gameplay 
     NumPad2: Game Speed

Notes

Developer Mode:
Toggle on then you can use the following cheats:
F5 to open console and you can type:
winbattle
wingame
gold (value)
fillrunes
gainenergy value
damage (click unit and type value, uncluding negative)
killenemies
randompotion

F2 opens debug menu

You can also press these keys:
numpad 2 key - add card
delete key - kill unit
R key - random relic
E key - add energy