Importantly, Baron Bertram does not require a creature token to enter the battlefield, so it also works well with Treasures, which you can then sacrifice to draw cards as well
Vesuvan Doppelganger was more of a fun multiplayer card than anything else, but fond memories and thick wallets can create surprisingly high prices when mint-condition cards appear at auction
Like most Magic: The Gathering cards, the value of Aragorn, the Uniter depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (The Lord of the Rings: Tales of Middle-earth)
When it enters the battlefield, it draws cards equal to the number of zombies you control or in your graveyard, whichever is bigger