Dont leave home without Rancor and Greater Good
6 Jace, Wielder of Mysteries War of the Spark introduced static abilities on Planeswalker cards, which made Jace, Wielder of Mysteries an alternative win condition for some decks
What is Edison Format
Its almost impossible to unlock the characters without looking at some sort of online walkthrough, unless youre willing to spend literally months of messing around, (You have to find certain rare cards, beat duelests specific amounts of times, and configure your deck in special ways to unlock the new characters)
As such, searchers are among the best cards and Resonator Call falls right into that category
When the English set released July 31st of 2001, it combined the two Islands sets into one Southern Islands Promo with the original postcards from the Japanese set as well as three booster packs which based on release dates would probably have been from sets like Neo Genesis or Neo Discovery as those sets both came out within six months of Southern Islands