mtg all bird cards Subtype: Bird, Colors: Blue, White, 24 The Gathering at our store. The Most Valuable Bird Cards

The risk-reward of this card stops it from being near the top for now, as you could theoretically pay a high cost to boost the power of a creature just for them to be removed, but that's where your understanding of the game and being aware of your opponents' mana comes into play

Commander precon decks run roughly Dhs

Based on my and others' understanding so far, you could potentially put all of your creatures onto the table from your deck if you build it to do so

One other subtle strength here is the degree of control you can have over exactly when cards are milled, and how many (assuming you have painlands or other unrestricted self-damage sources)