Crux of Mirrodin [Unknown Event] noPrice Whenever a nontoken creature enters

Whenever a nontoken creature enters the battlefield under your control

As long as Arixmethes has a slumber counter on it

Three Rings for the Elven-kings under the sky

that player can't cast spells or activate abilities and plays with their hand revealed

if he regains the One

Crux of Mirrodin [Unknown Event] noPrice Whenever a nontoken creature entersSet: Unknown Event Type: Sorcery Rarity: Common Cost: {3}{W}{W} Choose one Destroy all nonland permanent cards originally printed in Mirrodin, Darksteel, Fifth Dawn, and Scars of Mirrodin expansions. Destroy all nonland permanent cards originally printed in the Mirrodin Besieged, New Phyrexia and Phyrexia: All Will Be One expansions.