Virtue of Knowledge Listed at: $10 In Commander, Virtue of Knowledges enchantment side provides redundancy for Panharmonicon decks (and it's better, albeit more expensive: it works for any permanent entering the battlefield)
It also helps thin out the deck since there will be one less Basic Pokmon in the deck after use
A great late game top deck and reasonable way to power into the mid game should you find yourself lacking lands, appropriate answers or beefy things to get on with
(Lhurgoyf, Necropotence, Icy Manipulator and Incinerate were all 4 of them) Interesting to note that the non-foil mana crypt came as a book promo for buying a magic the gathering arena novel
Rare card packs offer a reasonable price and a good chance of profit
As technology evolves, so will the ways collectors trade, verify, and enjoy their cards - but the foundation remains the same: passion, nostalgia, and the thrill of the chase