mtg card market prices Movers - June 11th Black Market - Universes Beyond:

What it does bring to the table is three abilities, the first of which makes it unblockable, not too exciting

Its one of the only clone effects for planeswalker cards, and comes with the added benefit of adding a loyalty counter when it enters as a copy of said planeswalker

Many green commanders also play around with Sneak Attack-style abilities, cheating creatures and permanents directly into play

Collected Company was a really good card, to the point where Wizards later admitted they probably would have banned it in Standard if they did bannings back in 2015 the way they would do them a few years later

Unleash it

I usually see this card in decks built around Tergrid, God of Fright because of how effective it is at removing resources from opponents and potentially stealing them with her ability