Blackheart's Bay

Battleground (This card enters the battlefield under
nobody's control. All players may activate this card's abilities.)
When you play Blackheart's Bay, search your
library for a basic land card, put it onto the battlefield, then shuffle.
At the beginning of each player's upkeep, they
create a treasure token.
{4}, Sacrifice 8 treasure tokens: Deal 8 damage to
any target.