You may still cast the discarded card without paying its mana cost if Malcolm had four or more chorus counters on it when it was last on the battlefield
Oh, and the best card in the game due to its low mana value and high impact
The PSA 10 basket shows the same idea from the opposite direction: graded prices fell together (one grading boom, one shared crash), so spreading out helped far less - the basket still went -36.7% deep and spent roughly four years underwater before the 2025 recovery pulled it out
You could only cast the top half normally, the bottom half would be cast like flashback, from the graveyard then exiled
Orthworm ex's attack has some situational use, as it prevents the opponent from retreating, but energy acceleration is required to make it reliable, so it rarely comes up
And our full MTG Lord of the Rings guide has plenty of details on this upcoming Universes Beyond set.