tcgplayer mystery booster 2 box Booster Pack poor timing is the most consistent mistake. Mystery Booster 2 Spoilers and

The Winged Dragon of Ra , known as Winged God Dragon of Ra in the Japanese version is a character version of the card "The Winged Dragon of Ra"

When this card declares an attack: You can banish 1 monster from your opponent's Extra Deck (their choice)

The decks that play this colorless card are equipped to exploit it, and that turns this into a powerful win condition

The more brash duelists can take a page from Joey Wheelers book with his trusted Red-Eyes Black Dragon, flanked by other monsters such as Phoenix Gearfried and the Blue Flame Swordsman

Then each player who searched a library this way shuffles. The main thing here is that it doesnt say Basic Land, which means you can go ahead and get your Nykthos, Shrine to Nyx and whatever else you want to get