Tyr, Hand of Justice

Indestructible, Shroud, Flash
When Tyr, Hand of Justice enters the battlefield, attach any number of Auras in play, and in all graveyards and exile zones to it, then exile all
creatures they were attached to and all other enchanted creatures.
{x}, Tap 3 untapped white creatures you control:
Destroy all nonwhite creatures with a converted
mana cost X or less.