The best card drawing card printed since Urza's Block, hands down, Fact or Fiction is at worst a five-card Impulse, and at the best as a three-card drawing machine
With so many good instants available, once a player untapped with a Shadowmage Infiltrator and an otherwise empty board the game was practically over, and if there was some small threat left over it could be dealt with in due time
Entropic Uprising Older decks can be a little harder to find nowadays and that causes their price to shoot up, but some of them are still worth it even with the highly inflated prices
Geths Grimoire Drawing cards consistently makes every strategy better since youll have a resource advantage and more options, reducing variance
Blink players also often include Panharmonicon and Strionic Resonator-style trigger-doubling effects to get even more extra triggers from their creatures
Five mana for a 3/5 Reach isnt too bad, and the effect is just a mostly-better Morbid Opportunist trigger