Reign of Terror
{3}{B}{B}
Sorcery
Oracle Text
Destroy all green creatures or all white creatures. They can't be regenerated. You lose 2 life for each creature that died this way.
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.