Bane of Progress One of the best anti-artifact and -enchantment cards in Commander, Bane of Progress takes great advantage of most players packing Signets and other cheap mana rocks to both blow up your opponents boards and create a giant threat
So far, Oblivion Sower is the only one that can provide mega-value, since it can get back lots of lands at once
The multicolor aspect of this will make it favor three or more color decks and is definitely something to consider if youre playing Jegantha, The Wellspring or Niv-Mizzet Reborn
If you can find a way to untap this, especially if you can untap it repeatedly for less than 3 mana, youre off to the races and can have as much mana as you want
This can go both ways as you can either opt to mill your opponents or self-mill to create massive card advantage
However, if my opponent controls another creature, things are very different