Drowned Townsfolk

Extract: (When this creature enters the battlefield,
you may sacrifice a land. If you do.) Mill four
cards. (Extract by CNBCustoms)
Drowned Townsfolk has a Power of 1 plus the
number of creature cards in your graveyard
Drowned Townsfolk has a Toughness of 1 plus
the number of islands you control.
{b}: Regenerate Drowned Townsfolk