Saga progression: spells grant trample to your creatures, enhancing combat damage for a turn
The creature helps you ramp with your creatures, while the backside helps to cheat out creatures and planeswalkers from your library for free
Cordial Vampire will buff the team whenever any creature dies whether yours or an opponents
Elesh Norn, Grand Cenobite, Avacyn, Angel of Hope, and Moonshaker Cavalry each need just a small handful of creatures to potentially win you the game
As many of the things I was predicting mechanically, I didn't know where or how we would use it, I just recognized it was a tool we'd probably need one day
Some are obvious, such as Blue Suns Zenith letting you draw as many cards as you can pay mana for, while others are more subtle, like Light Up the Stage exiling cards and being able to play them