Lastly, Electroduplicate is a card that I can't quite figure out
Non-Contraption cards can't be in the scrapyard.
Kokusho, the Evening Stars effect is especially powerful and hard to replace, but its not instrumental to how the deck works so you dont need to worry about it too much
The best tutors for any given strategy can vary, and this list, while containing the most universally played and powerful ones blue has to offer, isnt meant to tell you these are the only tutors you should play
Oh, and I guess it makes life pretty hard on your opponent too, since killing you also makes you stronger than he could possibly imagine
This is a well that is rapidly drying up, though 12