Tetsuo Umezawa This isnt one of the strongest commanders out there, but it can make for a fun and interesting casual deck
Smothering Tithe [Best White Mana Generation Enchantment] Lots of the best enchantments MTG has usually deal with making mana
The other candidates (Vindicate, Ignoble Hierarch, Grief, and Esper Sentinel) are format-defining for certain, but none of them have the word cascade on them
2012 Sets : Dark Ascension , Avacyn Restored , Magic 2013 , and Return to Ravnica My Pick : Cavern of Souls ( Avacyn Restored ) Dark Ascension hit the monster typal theme a little stronger than Innistrad did
Because the token only comes into play when a creature dies, using creatures that sacrifice themselves is a solid strategy