Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Return three lands you control to their owners hand: Return this creature to its owners hand
One of the first commanders that came to mind when I saw this was Rakdos, Lord of Riots
Every colour has the capacity to deal with creatures all be it with varying effectiveness
(click for larger picture) This deck has mostly artifacts and creatures, being an Artifact-heavy Life-Gain deck, so the Enchantments, Instants, and Sorceries categories are nonexistent
Nostalgia Factor - Perfect for collectors who grew up with the original 151
Infinite Combos From a Commander perspective, theres really no way around this issue, which is a problem for rule 0