For just 2 mana, you get a 3/2 knight that surveils whenever you cast a noncreature spell, helping you set up your graveyard and manipulate the top of your library
The Fourth Doctor I dont know much about Doctor Who but Im guessing The Fourth Doctor likes food or something
But its that attack that is truly Zamazenta Vs best feature.
But I was very impressed with how flexible they were, how they didnt show any signs of stress at the seams, and how easy it was to slip cards in and out
Depending who you ask, it might also have the best artwork of any card on this list
A 4/4 is fine, if a bit sad against Sheoldred, and its ability to Shock something whenever you cast a spell should be able to close out the game quickly, assuming you have some cards in hand