Raknis, Rainbow God

When Raknis, Rainbow God enters the battlefield choose a color, you get an emblem with "All permanents you control as well as all permanents
in your deck and hand are the chosen color in
addition to their other colors."
{w}{u}{b}{r}{g}{ut}: Sacrifice Raknis, Rainbow God,
you get an emblem with "Lands you control
have {ut}: Add one mana of any color
to your mana pool."