public static void printStatistics() {
		int numMonster = 0;
		int numEffect = 0;
		int numSpell = 0;
		int numRitual = 0;
		int numEquip = 0;
		int numTrap = 0;
		int numField = 0;
		int numObtainable = 0;
		for(Card c : cards) {
			if(c.obtainable) {
				numObtainable++;
			}
			if(c instanceof MonsterCard) {
				numMonster++;
				if(MonsterCard.class.cast(c).effectFile != null) {
					numEffect++;
				}
			} else if(c instanceof SpellCard) {
				numSpell++;
				if(c instanceof RitualCard) {
					numRitual++;
				} else if(c instanceof TrapCard) {
					numTrap++;
				} else if(c instanceof FieldCard) {
					numField++;
				}
			} else if(c instanceof EquipCard) {
				numEquip++;
			}
		}
		PluginVars.logger.info(numMonster + " monsters (" + numEffect + " effect)\n" +
				numSpell + " spells (" + numField + " field, " + numRitual + " ritual, " + numTrap + " trap)\n" +
				numEquip + " equips.\n" +
				numObtainable + " obtainble.");
	}