Swift Warden
$0.21 / €0.20
Flash
When this creature enters, target Merfolk you control gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
When this creature enters, target Merfolk you control gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
A warning shout would take too long.
Legal in
Pioneer, Modern, Legacy, Vintage, Commander, Brawl, Historic