mtg take the initiative cards Who are you excited to on your next adventure? Roll for Superdrop is NOW AVAILABLE, link in bio Initiative & Dungeon Decks :

Teferi, Mage of Zhalfir - Need me to explain the way this works with Knowledge Pool? So, I suppose we're well into the Blue portion of the mono colour Commander post

So I just remove 1 swamp and 1 forest and hope for the best

But you probably do, as drawing an extra 20 lands (that are not clogging your hand) will probably be pretty good if your opponent can deal with the 1,000,000,000 power you just made

If he was just as powerful but offered no life I doubt he would see nearly as much play

Griselbrand proved so strong he was even banned in Commander extremely swiftly after being printed

It's ideal to be able to pull off either move once everyone's life is below 20