In postboard games, you have the tools to take on a strongly controlling position
Enlightened Tutor One of the best tutor effects available in white, Enlightened Tutor will get the enchantment or artifact you need, and it goes together with combos that need those kinds of permanents
In Grixis colors, this commander pairs beautifully with Villain-themed cards and established graveyard strategies like flashback, escape, or delve
Then you can spend 2 mana to exile a card from a graveyard so it's graveyard answers, and if you exiled Dinosaurs you own, you can cast them from exile with a finality counter on them
Once The Locust God came into the picture, as a win condition instead of being the draw engine, I imagine it was easier for Wheel of Fortune decks to eclipse what Arjun was looking to do
This card is an absolute beast