Chapter II protects you from early aggression, and Chapter III should draw you at least two cards and potentially more (say, an opponent is playing mana creatures)
More Card Draw If all goes well, I'll be making tokens and drawing cards, but if there's one thing that's better than a bit of card draw in your EDH game, that would be a LOT of card draw in your EDH game
The best card feels great and lasts longer
Path to Exile and Rapid Hybridization provide some instant-speed removal, Chart a Course , Cut a Deal , and Rowdy Research provide card draw, and Calamity of Cinders , Dusk/Dawn , and Time Wipe are your requisite board sweepers
New properties like Wreck-It Ralph are introduced in Shimmering Skies, offering varied playstyles for both aggressive and defensive players
What makes Censor so good, though, is the ability to cycle it away for one mana, making the opportunity cost of playing it extremely low