When a player blocks with a creature, that creature defends with its toughness
Firstly, I have killed people with Chaos more than Order
That might seem odd as Torment can target Leyline, but you are usually better off targeting the cards around the Leyline, and Cover-Up can bail you out of their best counterplay to that which is a copied Turn Inside Out
You do get the option to discard a card and draw to manipulate your deck somewhat, but the payoff will depend on how many Instants you can pull from on opponents turns
However, there are potentially better cards like Tarmogoyf or Death's Shadow that offer more consistent and powerful effects in similar strategies, making Wight of Precinct Six less likely to see play in competitive decks unless in a specific budget or casual build
Continued development provides new features in those editions, therefore you need the Java Development Kit to have those newer editions: Download - Source Code - Most people who have problems setting up Forge, do not have Java setup properly