The Booster Box contains multiple booster packs while the Elite Trainer Box includes booster packs plus additional accessories such as sleeves, dice, condition markers, and a storage box.
Assuming you keep attacking with Fortune in the future, its easy to run away with the game
Decree of Silence + Solemnity | Stax Combo Solemnity is an incredibly useful card all around
Numerous Combos Beyond Vorels potential to enable alternate win conditions, it can also enable a fair few infinite combos
While the promo was certainly under-priced at $3 now that the card will be Standard legal once again, I wouldn't pay much attention to the current price
Some of it will be due to condition available on the market, granted, but I cant explain why Island of Wak-Wak is this much