mtg thunder junction commander decks Outlaws of Deck Bundle - Includes All 4 Magic: The Gathering Outlaws of

seem to fit the infect theme better, and with it being G/B i'd say Zombies or Insects

This four-mana sorcery gives all your creatures not only infect, but also +1/+1 and trample until the end of the turn

Furthermore, Magic is releasing a two-player Starter Set with Cloud, Planets Champion and Sephiroth, Planets Heir as the featured cards

Also, come play Commander with me

Creatures offer a lot of card quality in the cube as well

Vindicate allows decks to contain free land destruction along with artifact and enchantment removal without having to devote any space to such utility or ever risk having their creature removal or anything else stuck in their hand