// save all cards
cards.addAll( group.getAllCards() );
if( group != deck.sideboard && group != deck.main)
iter.remove();
else
group.clear();
}
CardGroup groupW = deck.addGroupAfter("White", deck.main);
CardGroup groupU = deck.addGroupAfter("Blue", groupW);
CardGroup groupB = deck.addGroupAfter("Black", groupU);