I also highly recommend this to any Heroic themed deck, as its a free way to protect your proverbial queen, while also hosing black and red creatures in combat Some of these cards have been on my mind for a while, and Im certain there are more I may be missing, but the bigger picture here is to allow more room in your builds for ways to interact with your opponent
On the other hand, one of the most powerful new decks of the set, Shadow Rider Calyrex, is weak to Dark
Those cards power attacks for metallic objects or machines
One of the most popular decks in Pioneer is Rakdos Sacrifice, and it makes great use of Ob Nixilis, the Adversary out of the sideboard
The Watcher in the Water The Watcher in the Water is a high-powered threat and can put down a wall of tentacles that discourage your opponents from attacking you