The commanders of each deck are, of course, the central protagonists of each game, with Terra, Cloud, Tidus, and Y'shtola all featuring
If you would gain life, you gain twice that much life instead
Consider Fergus McDuck as a swap for Prince Phillip Royal Explorer in Emerald/Steel, or use him in aggro decks as a way to protect key characters
Future sets could print more towns, making this a more viable option, but as of now, this commander's second and third abilities aren't as relevant to most builds
Unlock Ability Creatures you control with +1/+1 counters on them have reach and trample.
As for standout creatures, both G'raha Tia, Scion Reborn and Estinien Varlineau provide massive power for casting noncreature spells, which can easily help you close out the game with even just a few triggers