That's 2 to 4 cards from hand in one block
Win by taking 6 prizes first
Not only can he reanimate any creature from your graveyard, no strings attached, but hes difficult to remove, too
Solid Shell prevents 30 Blastoise from taking 30 damage from any attack, regardless of where it is on the board
I believe this is true regardless of how difficult they are to trigger, but emerging from Mortal Combat victorious seems like a breeze in a format like Commander where you can mill yourself to your heart's content with commanders like Grist, the Hunger Tide, Iname, Death Aspect (the mill comes from dumping your creatures into your 'yard on ETB), and Zask, Skittering Swarmlord
Necropotence Necropotence suffered the grim fate of those that wield too much power: Magic's best black enchantment, it got banned in most formats and now it's only playable in Vintage (where it's restricted), Timeless on Arena, and Commander