Revealed in the TV Commercial.
SDKS contains Megamorph, a card he used in the manga with Battle Ox during one of his first Duels against Yugi.
SDMY contains Mirror Force, one of Yugi’s most classic Traps.
Source: The Commercial.
[SDMY & SDKS] Two More Reprints
By NeoArkadia
NeoArkadia
NeoArkadia is the 2nd Number of "The Organization" and a primary article writer. They are also an administrator for the forum Neo Ark Cradle.