Sure, you sometimes help your other opponents, but it should draw a lot of focus off your creatures and benefit you as well
Aside from the potential name of the card - Liliana, the Last Hope - there is no further information available on the card's abilities, nor has Wizards of the Coast commented on the existence of the card
This is one of the worst Dominus creatures in terms of its indestructible counter ability, but who needs protection when your Price of Progress deals 20 damage to everyone
You can tap it to add one mana of any colour in your commanders colour identity
Druidic Ritual and Sudden Reclamation for a creature and a land, Eccentric Farmer/Pothole Mole as creatures with the same effect, Roots of Wisdom for elf typal decks, Crop Sigil as a self-mill engine, and Say Its Name if you want to cheat Altanak, the Thrice-Called from your library
[180] [181] Vice commented that there is "a growing divide in the Magic: The Gathering community between the casual players and the collectors" as "some rich collectors have turned the cards into a kind of commodities market [...]