I'm going to just go through the original partners in alphabetical order and explain what new partner I'd try to pair up with it
But in this case, its an example of the loremasters at Wizards of the Coast going a little too hard into the dictionary to find yet another term for black removal spell about decay. As for actually pronouncing phthisis correctly, just ignore that ph at the beginning, and say THIGH-sis. There will be some people who try to correct you into saying TIE-sis, but those people cant just disregard every consonant and get away with it
With very little practice, I can read the backs of these cards at arms length, yet the marks are well-hidden enough that I have no problem casually handing them to a spectator
Athreos, Shroud-Veiled Size 8.8cm x 6.3cm, Fit perfectly into KMC perfect fit sleeve
Even if you can only manage to use her -2 ability once, it is still worth it in my opinion