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
On the land side I will only include the deserts to help keep this list more manageable
Creatures you begin to control later in the turn won't gain any abilities or cause creatures to gain new abilities, and the abilities gained won't change even if every creature that normally had the abilities leaves the battlefield
But a rebound in overall value took place in September, carrying over into October