Not only does it give your creatures wither, but when you kill an opposing creature with -1/-1 counters, you get to draw a card
(Rosewater says the chance of a mythic will increase from one in eight rares to one in 7.4.) Set boosters will also include at least one guaranteed foil card, of any rarity, and there will be the potential for up to four rare or mythic rare cards to appear in total
It doesn't target, getting around opponents that have hexproof, and if you have four extra mana, it'll mill each opponent for half their library, rounded up
2023-06-16 Gaining protection from everything causes a spell or ability on the stack to have an illegal target if it targets you
As I mentioned before, eminence is one of the strongest abilities a commander can have, and Edgar Markov was all the proof we needed
You'll still need to wait a few turns to get the most out of Barrowgoyf, but for three mana, it's hard to argue with its efficiency