So here's a bit of fun. Let's look at how many times (according to art descriptions) a khan appears in card art in Khans of Tarkir.
Anafenza, the Foremost
The khan of Abzan is in exactly one card. Hers:
There are several art descriptions that refer to her, but none others that request her presence. Maybe she's camera shy.
Narset, Enlightened Master
On the other hand, Narset appears in three cards. First, of course, is her own:
But Narset is also known for quietly contemplating the world around her…
…and for shattering the fists of Mardu warriors with her palm…that deflects…things.
Sidisi, Brood Tyrant
And just like Anafenza, Sidisi isn't one to photobomb. So she appears in her card and no others:
Her HAT appears in another card. Ha!
The Mardu khan appears on three cards. First, his own:
He's known to utterly end opponents…
…and to absolutely despise Sarkhan:
And finally, what of the Temur khan? Well, Surrak makes an appearance on two cards. First is his:
But that's NOT the card he's most famous for. Nay, indeed, Surrak features pretty prominently on what is perhaps the most famous and beloved piece of card art in Khans of Tarkir: Bear Punch.
Oop, I mean: