Hailing all the way back to Magic s first set, Alpha , this creature type has been showcased heavily over the years, with almost no set being complete without featuring the archekindred mascot creature type for green mages
Transcendence Combine lifegain and Transcendence with cards listed above that make you unable to lose, and your game ends in a draw of a never ending trigger if no one can break it up
I also love this with a double strike enabler like Fireshrieker or Gruul's Dragon Attack Trigger Atarka, World Render that also has flying and trample
You can fetch out the perfect Rebel for the given situation - such as the flying, protection from Black Nightwind Glider
Mister Fantastic alone can set up so many infinite combos, making him worth the price of admission
Unfortunately, that's a very specific use case that doesn't just need a deck built around it, it also needs a special situation within said deck