Manlubank Cunning Castaway

Flash, Islandwalk, Protection from White
When Manlubank Cunning Castaway enters the battlefield create a 0/1 Pirate Lookout token with, "Sacrifice this token to add {1} to your mana pool."
{2}{u}: Exile Manlubank Cunning Castaway, and return him to the battlefield at the beginning of the next end step.