Decks that run Kirlia tend to run 3-4 copies, in combination with 3-4 copies of the Basic Pokmon, Ralts
Exile effects rarely target cards that are exiled, it's much more common the target would be in the library, graveyard or on the battlefield
Legality depends on the tournament format -- Army of Allah can be legal in some formats and banned or restricted in others
For one thing, the culture of the secondary trading card market is almost as volatile and open to manipulation as the actual stock market, and GameStop is opening itself up a variety of schemes that will be incredibly easy for bad actors to pull off, facilitated by minimum-wage workers who may or may not have any experience or expertise in buying and selling graded cards
The mechanic was well-received by both competitive and casual players during previews, but it is a unique thing to track and not as fast as you'd expect
Weve seen a lot of Boros commanders that care about Equipment over the last few years, and all of my favorites offer a good mix of Equipment synergy and incentives to go wide with multiple creatures