Arcades became the ruler of Dominaria after the war thanks to Nicol Bolas leaving following his discovery of his spark and becoming a planeswalker
Endrek Sahr, Master Breeder is an excellent choice, since the sacrifice keeps him around
// Ral, Leyline Prodigy Legendary Planeswalker Ral 2 Ral, Leyline Prodigy enters the battlefield with an additional loyalty counter on him for each instant and sorcery spell you've cast this turn
Giant of Babil Traxos, Scourge of Kroog is pretty cool and large, and extremely easy to untap in this set between all the sagas, artifacts, and legends
A deck with 18 lands may only draw 2-4 lands all game, while a deck with 24 lands is likely to hit a land every turn
I've always had a hard time making a black-white tokens deck in Commander, so I simply wanted to design a commander that would make me play the archetype