21, and Amazon has the best preorder deal on the Play Booster Box for $169.99
Its third chapter and last ability is a board wipe (yes, in blue!), which destroys all creatures and replaces them with 2/2 Phyrexians
In a pod, this WILL get you beat up on by the other players, as there is a mountain of salt to lose to this, so do not do this to someone who tilts easily
If youre playing Thalia, its important that the rest of your deck applies enough pressure to make her mana denial effect significant because even those decks hit hard by her still have bodies that get in her way
With MH3, you get many smaller eldrazi options, as well as colored ones
Whether you want to play these cards or just stare at them forever, theycan be yours-no demonic contract required