At its core, the legend rule prevents two legendary cards with the same name from being in play at the same time under the same controller
I could probably increase that by cutting Harnessed Lightning, but I wanted some additional removal besides Fairgrounds Warden and flipping Archangel Avacyn (and triggers from Skysovereign, Consul Flagship), and the instant speed could be quite helpful
Discover the set's chase card, a Dark-type Tera Charizard ex, among the sought-after rares
After a black-bordered printing, those cards became eligible for reprinting in unlimited quantities with a white border, as with the simply named Unlimited Edition that followed Alpha and Beta
its about as close to Liliana of the Veil on a stick as were likely to get
While it's a strategy I've implemented far less in recent years, I've always loved the kinds of engines Blink decks bring to the table