Crux of Mirrodin (Playtest Card)
Set:
Unknown Event
Description
'Choose one —
• Destroy all nonland permanent cards originally printed in the 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.