Each Play Booster contains 14 Magic: The Gathering cards, including 14 cards of rarity Rare or higher and at least 1 Traditional Foil card
Banefire, Crackle With Power, and Lavalanche can all potentially take out a player if youre able to do enough damage with them
Probably worth noting that Mike Long is notorious for a history of cheating in high-stakes MTG events, so maybe Rootwater Thief was his comeuppance
How you want to go about it can vary on a couple of things
Note that if it cannot be countered the Jin won't stop it, like Last Word or Supreme Verdict
Note: this is translated and should be taken with a grain of salt image605640 118 KB 20th October 1996 - 31st March 1997 From 20th October 1996 to the end of March 1997, a total of 87 million cards were shipped (page 10, line 33)