Before Worlds 2012, Mewtwo-EX was good for a lot of different reasons, but Mewtwo-EX continued to be played after that in most energy acceleration decks just because X-Ball was such a strong attack
That also means its very important you dont unnecessarily challenge, because as you lose characters, youll lose momentum
Expanded Format: Includes all cards from Black & White onwards, except for the banned cards listed above
Hopefully, you'll have something much better to do on your turn, but if you're in a desperate spot, you might be able to use the chump blocker and the bonus card it provides to find a way out
So long as you have black mana to spend, Crypt Rats can wipe the board of anything as well as deal burn damage to your opponents