Phoenix Uncanny X-Force

While you could play this deck solo, it's designed to be played with a Leadership player that will play Uncanny X-Force on you. I used this Rogue Leadership deck :

I love Uncanny X-Force as a team card but there aren't a lot of X-Force characters and only 2 that really work with this card, Cable and Psylocke. So let's look at the other psionic character to lead X-Force.

Your goal is to get Children of the Atom and at least two allies down as soon as possible, then hope your partner finds your Team card. Once set up, you'll have your allies deleting side schemes, and chipping in on the main here and there to control the board.

You're going to invest in your allies by equipping them with Mission Training (hopefully with a copy of Danger Room provided by your partner) so Phoenix is going to be tanking hits and your constantly flipping to heal.

Other cards

Mutant Peacekeepers - good for the early game to keep your allies healthy, and can be a powerhouse of thwart if Phoenix is still restrained and you've achieved the combo.

Gunboat Diplomacy - full combo gets you 8/8 for exhausting two allies, it's insane in the late game.