Olympus, Home To Gods

{t}: Add one mana of any color. Use this
ability only if you control a God or a demigod.
Whenever you cast a spell with this permanent,
gain three life for each god and/or demigod you
control.
"Fight hard, then harder. Fight brave, then
braver, so maybe one day, you will join us in the sky.
—Zeus, king of Olympus