That being said, cards like this are only ever one powerful Commander deck synergy away from spiking in price
What works one day seems to get banned the next
And, while it's a little difficult to maneuver into a spot where his ultimate would win you the game, it's something to work towards, and is also helped along some by all-inclusive sweepers like Ruinous UltimatumRuinous Ultimatum
Here is the list I found myself playing: 25 Spells Mox Diamond Chrome Mox Thrull Parasite Mother of Runes Land Tax Dark Ritual Sarcomancy Gravecrawler Diregraf Ghoul Path to Exile Cabal Therapy Skullclamp Thoughtseize Carrion Feeder Blind Obedience Syndic of Tithes Dark Confidant Kor Skyfisher Basilica Screecher Bloodghast Vindicate Lingering Souls Geralf's Messengers Yawgmoth's Will Crypt Ghast 15 Lands Scrubland Orzhov Basilica Caves of Koilos Marsh Flats Godless Shrine Isolated Chapel Urborg, Tomb of Yawgmoth 2 Plains 6 Swamps Moxes seemed like an ideal way to increase the spell count and ramp the mana early and so I greedily played Chrome and Diamond
Emchompite notes that it can be a struggle to decide whether to collect English or Japanese cards
However, mixing it with Tear , which can destroy an enchantment at instant speed, makes this card a staple in many sideboards as it can deal with a lot of threats