Their Spell/Trap cards, all of which are Continuous, favor the presence of "Ancient Warrior" monsters ("Three Visits", which searches an "Ancient Warriors" monster, and "Sun-Liu Alliance", which negates the activated effects of your opponent's monsters) or are battle-related, focusing on either battle protection ("Defense of Changbang" and "Chivalrous Path") or ATK manipulation ("Borrowing of Arrows" and "Sun-Liu Alliance") and card destruction ("East-by-South Winds")
Thinner 40-90 micron sleeves can be used as inner "perfect fit" sleeves for double-sleeving
Xanders Lounge Xanders Lounge rose slightly in price after the release of DMU
Preventing all combat damage allows for these mind games, because you do look incapable and cornered, until they swing for lots of damage and you tap your last remaining land
The Umbreon ex Special Illustration Rare (#161) is the standout chase card and the most valuable card in the set by a wide margin, driven by Umbreons popularity and a low pull rate