Colorless staples, sorted by "type". Types are commander-specific, and as follows:

Board Wipe - Cards which remove multiple permanents from the field Bombs - Big Cards that Do Big Things Card Advantage - Cards which allow you to gain/use more cards than your opponents Lands - Hur de dur Other - Cards in color which are useful but don't fit in other categories Protection - Cards which prevent your permanents from removal Ramp - Cards which get you more mana to spend Targeted Removal - Cards which selectively remove permanents from the field Tutors - Cards which let you seek your library for non-ramp cards