With an exponentially growing horde, plus multiple combat steps, there are lots of ways to win with Najeela by taking advantage of combat damage triggers to provide you with sufficient mana to set off her ability again and again
Giving every nonlegendary artifact creature Myriad, this legion of Cybermen can quickly overwhelm a board
Green Ramp Spells Green is the color of ramp
At converted mana costs two and three, Uncage can grab a combination of Proliferate creatures, Energy makers, Den Protector + Eternal Witness, or Fierce Empath, which can go get us one of our game-enders
It ETBs with energy, sure, but it can convert energy to creatures without tapping, which, of course, means you can generate infinite tokens pretty easily with the other cards here
I understand that someone played Possibility Storm at the Pro Tour, and I certainly didnt test against that, either