Neither do we
Its a must-have artifact in decks that care about any of those three token types, and theres been a bunch of these over the years
It creates its own kitty-cat drivers, and if you can't remove it, starts to pop out brand new ones
10 of these are monarch cards that don't stack up well just fyi Eowyn, Shieldmaiden, Weathered Wayfarer, Denethor, Stone Seer, Humble Defector, Archivist of Gondor, Faramir, Steward of Gondor, Verge Rangers, Aragorn, King of Gondor, Boromir, Gondor's Hope, Palace Jailer, Eomer, King of Rohan, Champions of Minas Tirith, Heirloom Blade, Vanquisher's Banner, Herald's Horn, Court of Ire, Fealty to the Realm, Oath of Eorl, Forth Eorlingas
Shriekmaw Ive heard old-school Magic players refer to cards like Shriekmaw as 187 creatures, 187 being the penal code for murder in California