This is perfect for value-focused decks full of legendary creatures or utility artifacts
Upon the nearest SBA check, Corrupted Conscience goes to the graveyard, and the opponent gets the Relic back
If you do, you get to take a permanent card from among them and put it directly into the battlefield with a finality counter
That said, you need a permanent-heavy graveyard deck to get the most out of the descend abilities, so this may secretly be a card
Recycling Fetch Lands is a solid use of Closet, while Cellar can provide a big value burst in the late game, given how much mana most green decks end up with in Commander
This synergizes great with something like Teeth and Ambitions, turning that song into deal 4 damage to your opponent's characters, either all to one character or split into two 2 damage pings