Galadriel, the most beautiful and influential of all the elves in Middle-earth, has called a council and youre in charge
Place all other cards you exiled on the bottom of your library in a random order
Risen Executioner An endless recursive zombie lord has appeal, but Risen Executioner might have the steepest recursion cost on the list
Choco-Comet Choco-Comet is a pretty solid base case of what a fireball is in MTG: You sink as much mana as you can into it, you deal X to any one target that can be damaged (players, creatures, planeswalkers, or battles)
Liesa was known throughout Innistrad for bargaining with the demons that threatened humanity, and that is represented in you being able to pay life instead of her Commander tax
Honorable Mention #4 - Sunstone and Glacial Crevasses This fun duo is a powerhouse of snow