From a story-telling standpoint, he serves as a caster that sends out these Illusions into combat
Best Jeskai Token Commander (Kykar, Winds Fury) Kykar, Winds Fury opens quite a few doors that are closed to mono-blue commanders like Talrand, Sky Summoner with the same style of play
As such, the ever-present core of any Lands deck is the relatively small class of cards which grant additional land drops per turn
Some good tricks to consider are the bloodrush cards, which channel a creature in your hand into a pump spell, Ghor-Clan Rampager, and Rubblehulk are good examples, and cards like Balduvian Rage, Tyvar's Stand, and Downhill Charge
Horsemanships unique evasion means your knights are suddenly charging past those blockers, and it works better than a Levitation in terms of turning your board into an instant threat
Good question