Like most Magic: The Gathering cards, the value of Collected Company depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Mystery Booster 2)
These cards usually give a resource to each player at the table, though not always symmetrically
Klauth, Old Gnawbone and Savage Ventmaw can trigger it on their own, and Grand Warlord Radha, Selvala, Heart of the Wilds and Kessing Naturalist help get us there
Since it's in just one color and costs one fewer, I rank it higher than Wall of Denial
Artifact When this artifact enters, create a Blood token
it doesnt technically say it cant be blocked, but the blocking condition is quite steep, and it hits really hard if your opponent doesnt block it