Contract of the Damned

Contract of the Damned cannot be countered.
Band Together {10}, {10} (Your opponents may
pay a total of {10}, {10} together when you cast
this spell. If you do, as it resolves, it has no effect.
As long as you have Contract of the Damned
in your hand, you must reveal it. You cannot
play Contract of the Damned the turn you draw it.
You win the game.