The release of Avatar: The Last Airbender more than doubled the number of lesson cards, and the incentives to put them in your deck increased in the same proportion
9 Ashcloud Phoenix Think of Ashcloud Phoenix as a 4-mana Thragtusk
The set designers still wanted access to a keyword that provided evasion and so horsemanship was born
The mulligan rule was even all-land or no-land, rather than what we see today (watch out for Diamond Valley draws) Reaching the finals of the 512-player single-elim Magic World Championship, Zak Dolans list featured lots of generally powerful cards (Moxes and Mana Drains and the like) and an ungodly amount of resource denial
(For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)
This will likely get jammed in Prossh, Ghave and Skullbriar decks as well as being a good commander in its own right