At the beginning of your upkeep or whenever you cast a white spell, put a charge counter on Shrine of Loyal Legions.
![{3} {3}](/extstatic/symbol/mana/3.svg)
,
![{t} {t}](/extstatic/symbol/other/t.svg)
, Sacrifice Shrine of Loyal Legions: Create a 1/1 colorless Myr artifact creature token for each charge counter on Shrine of Loyal Legions.