(2/5/2021) The subtype Shapeshifter that appears on the type line is mostly there to reinforce the flavor
Getting to draw cards and create Treasures is great, but not at the expense of losing this creature that you already spent your mana on
Yes, one of them will end up in the graveyard, but that shouldnt be a problem in black
You can also Naturalize stuff and do a bit of ramping
Some three mana counterspells do see play in the cube, mostly this is down to the distinctly finite number of unrestricted hard counter magic you can find for two mana and not because the cards themselves are super good
Halsin, Emerald Archdruid The first, but not last, bear-tribal commander on today's rankings is Halsin, Emerald Archdruid