Crux of Mirrodin [Unknown Event] Common Whenever a creature becomes the

Whenever a creature becomes the target of a spell or ability

Set: March of the Machine Commander Type: Plane — Dominaria Rarity: Common Whenever a historic creature you control attacks

the world of Cambria is under threat of ruin

it's a -1/-1 creature

Activate only if a creature died this turn

Crux of Mirrodin [Unknown Event] Common Whenever a creature becomes theSet: 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.