private IEnumerator CountdownSpawn() //could use the turn start event (playermanager) here to optimize
{
double startingTurn = gameManager.turnCount;
while (startingTurn + turnsTillSpawn > gameManager.turnCount)
{
yield return(null);
}
List <Vector3Int> possibleTiles = GridHelper.AllStandableTiles(player1);
SpawnChest(startingChestLoc); //can also use possibleTiles
}