The fact that The Fourth Doctor returned to the battlefield means its ability can trigger again, so you can use Sensei's Divining Top to draw a card and put it on top of your library, which starts the infinite combo for infinite card draw, infinite ETBs, infinite LTBs, infinite draw triggers, infinite storm triggers, and infinite Food Tokens
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Cabal Coffers Flipped Itlimoc, Cradle of the Sun Nykthos, Shrine to Nyx Aside from accelerating you significantly, it can also untap lands that enter tapped, and provide you a second go on Maze of Ith and Spires of Orazca, among other effects
From Pingers to Arc Lightning that's a brand new archetype
(that last part is important, were going to get back to that!) What will happen to other versions of the card, though
But then, we have the Overlords from Duskmourn: House of Horror and some big guys from other sets (including MSH and Teenage Mutant Ninja Turtles ) that are also too evil
