@Override public boolean apply(Game game, Ability source) { Player controller = game.getPlayer(source.getControllerId()); if (controller != null) { int xSum = 0; xSum += playerPaysXGenericMana(controller, source, game); for (UUID playerId : game.getState().getPlayersInRange(controller.getId(), game)) { if (playerId != controller.getId()) { Player player = game.getPlayer(playerId); if (player != null) { xSum += playerPaysXGenericMana(player, source, game); } } } if (xSum > 0) { for (UUID playerId : game.getState().getPlayersInRange(controller.getId(), game)) { Effect effect = new PutTopCardOfLibraryIntoGraveTargetEffect(xSum); effect.setTargetPointer(new FixedTarget(playerId)); effect.apply(game, source); } } // prevent undo controller.resetStoredBookmark(game); return true; } return false; }