Savant of Crown-Reef

Whenever Savant of Crown-Reef enters the battlefield, create a 3/3 white Dolphin creature token with vigilance.
{1}{w}{w}, {t}: Create a 3/3 white Dolphin creature token with vigilance. Activate this ability only as a sorcery and only if you do
not control a Dolphin.
The dolphins of Crown-Reef are probably friendlier than some of the inhabitants.