Pretty good for early game and having the Virtue available to you when you need it and oh, whats this
While this did not turn out to be totally true (there are bad matchups for the Teferi, Time Raveler), he is still among the best cards in Modern
Needless to say, every Commander deck has its priorities, and some are just more Mana hungry while others can thrive on scraps
The first was Land Tax, and the second was Necropotence
That said, you can likely convince players to let you use them in casual Commander games
It's a solid horse anyway on it's own with all the horsey buffs, and if you get lucky and pull these two with one of the clone/changeling creatures in this deck, you can get a pretty rockin' army of indestructable 5/5/ horses going