Each box contains 2 booster packs from Wings of the Captain and 2 booster packs from Two Legends
The Double Deck Case comes with two removable full-size Deck trays, each with a card divider, so you can keep 2 full Decks (including Extra Decks!) side-by-side without mixing up any of your cards
This makes sense, given the more defensive role Knights often play when compared to their Warrior brethren, though perhaps less sense when you consider its offensively-weighted 3/2 statline
The monster returns at the end of the Battle Phase, but this can give you enough time to attack directly with your other monsters
Battle Shogun of The Six Samurai can even put Bushido Counters on itself, which can combo with the Gateway Of The Six it searches out
However, like many Sagas, the value quotient only improves from there