Kiki, prodigious youth

You may pay {3} and 2 life rather than pay Kiki, prodigious youth's mana cost.
{t}:Add one mana of any colour. Spend that mana
only to cast Knight spells.
{x}{t}:Add {x} mana in any combination of colours.
Spend that mana only to cast Knight spells.
Activate this ability only if you control a God.