X-Men Do Space Stuff Too

When I saw Children of the Atom my mind immediately went to Alliance cards for the X characters. I was originally going to build this deck with fewer allies and use Phoenix or Psylocke for their Psionic trait and Cerebro, but when I was thinking of alternatives I realized Mutant Mayhem isn't trait locked on playing it, just on its targets.

The idea for this deck is to burn through your allies using Blaze of Glory until you have Children of the Atom in play (which shouldn't take long as there are 2 copies) and once that is in play you can recur your X-Men for their enter play effects as well as heal and ready them. You can also avoid the damage from Blaze of Glory entirely if you flip down to alter ego before you end your turn since the constant effect that makes your allies Guardian traited goes away.