Serra's Emissary
{4}{W}{W}{W}
Creature — Angel
Oracle Text
Flying
As this creature enters, choose a card type.
You and creatures you control have protection from the chosen card type.
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.