That's especially true, given both cards had the same perfect PSA 10 grading, both have a similar, vanishingly small population of PSA graded cards, and both were the only PSA 10 copy known to be in existence at the time of sale
If the Vizier of Remedies is a Kitchen Finks, I would also take Collected Company, as leaving Eternal Witness forces them to play a worse three-drop on-curve
Cavalier of Thorns Cavalier of Thorns is a threat that's hard to answer, gives you a land, and adds three devotion to green in a mono-green deck
It is very possible that some version of the heroic deck will transfer over from block, and Preeminent Captain could be a nice little engine for it
Lots of Random Cards From All Series
Go-Shintai of Hidden Cruelty A 2/2 deathtouch for 4 mana is always just fine, even if its a bit below the curve, so youre already happy playing Go-Shintai of Hidden Cruelty