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.

Promo Options:
NumPad3: Mega Max Faith

Trainer Options:
NumPad1: Mega Max Money
NumPad2: Mega Max Followers
NumPad3: Mega Max Faith
NumPad4: Unlimited Faith

Editor Options:
Cult: Health Selected Unit

Notes:

For the editor, click on a unit you wish to affect, note the health, then change the health value, then press TAB to lock it it.  You can set the value to very high or low, depending on what you are trying to do.

Mega Max Money: Toggle on and your max amount of money is increased.

Mega Max Followers: Toggle on and your max amount of followers is increased.

Mega Max Faith: Toggle on and the maximum amount of faith is increased.

Unlimited Faith: Toggle on and the faith amount of all the objects on the map is set to 100%.  Toggle back off when they have reset.  To convert followers or affect other units or buildings with spells or hacks, make sure this is OFF.  Only use when needing to reset all your units Faith fairly quickly.