} else if (choice.getChoice().equals("Blue")) {
mana.addBlue();
} else if (choice.getChoice().equals("Red")) {
mana.addRed();
} else if (choice.getChoice().equals("Green")) {
mana.addGreen();
} else if (choice.getChoice().equals("White")) {
mana.addWhite();
}
// set to indicate, that the mana can boost the commander
mana.setFlag(true);