This in turn can provide useful information as to what is in their hand based on how they play around the card
While you watch your opponents struggle to cast anything and question the purpose of their lives, you have to win, too and combat is probably a good way to further reinforce the point you are going to drag the game out
Hes also a huge Magic: the Gathering fan, having appeared on numerous gameplay videos, most notably playing Commander with The Command Zone crew, piloting powerful decks with rare and expensive cards
Which MTG enchantments complement artifact strategies by providing card draw
You dont want Karn, the Great Creator shutting down your entire combo, and En-Kor is a non-artifact way to get the combo going
I just think its at least this good on the pure strength of the card (it should maybe swap to fourth on this list)