* Replace "([a-zA-Z]+).getManaCostsToPay().getX()" with CardUtil.getSourceCostsTag(game, $1, "X", 0)
Fix Disrupting Shoal
* Change final card .getX() calls
* Condense all ManacostVariableValue enum values into "instance"
* Further removal of getX, Display X symbol for non-mana X cards
* Fix test
* Fully remove ManaCosts.getX
* Replace all different X dynamic values with GetXValue
* Remove individual cards checking getAmount for X values (leaving cost reduction that does not use X)
* Add null check for game object inside getSourceCostsTagsMap
* fix build errors
* fix Vicious Betrayal
* text fix
* Implement Grim Giganotosaurus
* Refactor MonstrosityAbility to take cost adjuster
* Update Nemesis of Mortals' monstrous ability and add test for cost reduction
* apply regex to change public copy constructors to protected
* cleanup code using now protected constructors
* fix manaBuilder weird casting of Mana into ConditionalMana
