Extinction Event
{3}{B}
Sorcery
Oracle Text
Choose odd or even. Exile each creature with mana value of the chosen quality. (Zero is even.)
Watch Out
Static ability — always active, can't be responded toRules Note
This card has a static ability that applies continuously as long as it's on the battlefield. There's no trigger or activation — the effect just exists. Removing the permanent is the only way to stop it.