■ Counterattack : When a creature attacks you, if you haven't used ' Counterattack ' during that attack , you may cast this spell from your hand for no cost . If you do, pay at the start of your next turn . If you can't pay, you lose the game .

■ Put a nature creature that costs 5 or less from your mana zone tapped . Until the start of your next turn , whenever one of your opponent 's creatures attacks , they attack that creature if able.