Dalinar Kholin, Bondsmith

Defender, first strike
Knight Radiant's you control get +1/+1 and
Ward {2}.
Whenever a creature you control becomes
invested, put a +1/+1 counter on it.
You may spend mana as though it were mana of
any color to cast Knight spells.
{u}{b}{r}{g}: Swear an Ideal, then put a 2/2 white
Knight Radiant with "{2}: invested 2"
onto the battlefield.