I always reply, Are you asking me which one of my children is my favorite? Here are the ten cards/mechanics that at this moment I'm proudest of
Even today, the idea of Skullclamp just screams card advantage, and it still shows up a lot in Commander where its allowed
Each target must receive at least one counter
Legends tell how the tarrasque slumbers in its secret lair beneath the earth, remaining in a dormant state for decades or centuries
Oddly, Sauron, the Dark Lord isn't the face card of any LotR Commander deck, but it works better in Commander than the other three Sauron creature cards
Finally, while many of the cards below are powerful or just plain fun, I have also tried to include some pieces that can provide great utility benefits in a draft environment