Founding of the Vighthall

(As this Saga enters and after your draw step,
add a lore counter. Sacrifice after III)
( I ) Create three 1/1 white human creature tokens.
(II) Put a +1/+1 counter on all humans that
you control.
(III) At the beginning of your next main
phase, add{w}{u}{b}{r}{g} to your mana pool.