Tenacious Underdog Paying two life a turn for Tenacious Underdogs blitz ability as a 3/2 that keeps on coming and drawing cards is such a low cost, especially against midrange/control decks that want to answer your cards 1-for-1 with removal
This is a pretty bad matchup, although slightly easier than the midrange version of Red-Black, especially in game 1 when they dont have Thoughtseize yet
For the sake of simplicity, think of a set as being split in five colors (yes, there are colorless cards, but let's ignore them for this example)
It has a lot of partner commanders, which allow you to have two commanders instead of one
She could still quest too
This means that you can effectively use your flicker spell to turn your creature face-up without paying its morph cost