On top of this, cards like Sun Titan and Flayer of the Hatebound work perfectly within the graveyard strategies, giving you alternate ways to enact your gameplan without needing Terra
Im not putting cards like Nadu, Winged Wisdom or Teshar, Ancestor's Apostle in the list because theres not a single characteristic thats bird-related to these commanders besides the creature type
Using an indestructible creature to block a lifelinker will still result in the opponent gaining life, and blocking a creature with wither will still cause -1/-1 counters to be placed on your creature (which could actually kill it!)
Take Split Decision for example
If that happens, having played Neo Exdeath [12-110L] would be a major disadvantage
I have found that both token strategies and low to the ground cubes to be great and so my cube is heavily tailored to those ends