If you wanted a commander thats like Cruel Ultimatum, this is for you
You can turn this into a one-sided-effect by saving your creatures of the chosen type while eliminating all other creatures
Thanks to improvise, you can tap your artifacts to help pay for it, so it often costs just 1 blue mana
Something that may not get everyone excited, but fills a missing niche
Banish from Edoras The Battle of Bywater Bill the Pony Boromir, Warden of the Tower Dawn of a New Age Dnedain Blade Eagles of the North Eastfarthing Farmer East-Mark Cavalier owyn, Lady of Rohan Errand-Rider of Gondor Escape from Orthanc Esquire of the King Faramir, Field Commander Flowering of the White Tree Fog on the Barrow-Downs Forge Anew Frodo, Sauron's Bane Gandalf the White Hobbit's Sting Landroval, Horizon Witness Lost to Legend Nimble Hobbit Now for Wrath, Now for Ruin
This policy was applied to Duel Decks: Phyrexia vs