In everybodys favorite casual format, where youre allowed to cast do-nothing 6-mana enchantments like Impostor Syndrome, there are plenty of ways to exploit this card, including legends-matter decks, blink decks, or decks that thrive on saboteur abilities
Sire of Stagnation Sire of Stagnation is, in my opinion, heavily underrated in Commander
After having done Golgari, a guild chock full of golden goodies I am moving to the far end of the spectrum to Izzet, a guild which has historically had a threadbare selection of gold cards
Most other sleeves come as 100 so you can invest in a box or two for the long term
Ardbert, Warrior of Darkness* For your local legendary creature deck, Ardbert is going to become a member of the gang if they have enough white/black spells to support it, and a staple for lower-powered Ratadrabik decks that are willing to play fair