There's tons more fantastic Big Mana commanders out there if you're willing to drop down a few colors as well
Tug-of-War can stop Evasives when you cant find yours
If a card is neither and serves no fundamental purpose, then you dont need it
One of the best black cards in the game, the efficiency and straightforward use of Grave Titan has made it a common addition to many decks
There is both narrative and story, it says both "I represent a game piece" and also, "I am showing you a narrative, come pick up the clues and pieces to understand what's going on." Additionally, fresh, new perspective, after tens of thousands of Magic cards have been created I always seek out
The only thing keeping Sygg at bay from the #1 spot is the "end of turn" delay on it