CreatureButcher flags = new CreatureButcher(player);
flags.fromCommand(args);
BrushTool tool = session.getBrushTool(player.getItemInHand());
tool.setSize(radius);
tool.setBrush(new ButcherBrush(flags), "worldedit.brush.butcher");
player.print(String.format("Butcher brush equipped (%.0f).", radius));
}