By using the Commander Deck Building Template fully, or even just as a starting point, you should have no problems learning how to build a Commander deck
The first was Library of Leng, first printed in Limited Edition Alpha , whose text says, There is no limit to size of your hand. In subsequent reprintings, most notably in Revised Edition , the text was changed to You must skip the discard phase of your turn--as if that was a bad thing
For example, once Quantum Riddlers replacement effect has modified the draw two cards instruction of Decode Transmissions, Thought Reflections replacement effect can double the resulting card draws without Quantum Riddlers replacement effect applying again
Maze of Ith or Nykthos, Shrine to Nyx - remember to activate it in their upkeep so they cant use those lands to do what they expected it to do for the remainder of the turn
This doesn't happen often, of the 20% of the time you get an opener with Chancellor you find that you don't have two manas worth of stuff that is better than one mana worth some of the time
It is also one of the best tempo dorks you can cast on two which is ideal on a card filling a utility role