The reason Faldorn didnt make the list popular is two fold: Firstly, when you discard the card before drawing, its usually called rummaging rather than looting, this is likely a nod to Rummaging Goblin
Experimental Confectioner Next up is this 3-drop uncommon 2/3, Experimental Confectioner
Black Charizard cards occupy a special place in the collecting hierarchy, carrying a premium that transcends the normal value curves of the sets they appear in
This card prevents flooding in two ways: It both surveils and gives you something to do with excess mana later
That is really at the crux of why Teferi is so played
Gix, Yawgmoth Praetor does the character justice, evoking Edric, Spymaster of Trest, but hurting people for drawing cards