The first to do this was none other than Jon Finkel, using the Medallion to cast spells in his Ophidian deck at 1998 US Nationals while keeping counter magic available
While you control Hades, Sorcerer of Eld, abilities that trigger whenever a permanent you own is put into your graveyard from the battlefield (for example, "When this creature dies
This means there are, supposedly, 15 total copies of these cards in circulation, or 5 each of the first, second, and third-place variants
He didnt want to pay the full price to obtain his otherwise expensive cube, so he decided to make a game out of building the cube itself, while at the same time helping the cube be more affordable
F: Unplayable in a commander deck or as the commander itself
You can then negate the effects of that monster and destroy it