Plus, you get to exile artifacts, creatures, enchantments, and graveyards (or any combination thereof) rather than just destroying permanents and sending them to the graveyard with Austere Command
It also combines well with the expensive side of Flower // FlourishMarch of the Multitudes on end step, untap, Flourish is a common way to finish the game
You could spend $1,200 to get a copy, or you could run the next best option: Watery Grave for $10
Some characters even get bonuses at Locations from their own cards, as well as the Locations own bonus
Koga works best with Weezing, which can deal damage through poisoning without any energy investment
Whisperwood is preordering for about $5 right now, which is pretty close to bulk mythic as it is