[DUAD] DM-era legacy support

[~British Soul~]

https://ygorganization.com/official-card-game-news-from-ycsj-tokyo-2025/

DUAD-JP047 Ryuurei no Kishi Gaia Stream (Gaia Stream, the Graceful Knight) [Gaia Stream, the Graceful Force]
Rank 6/WATER/Aqua/Xyz/Effect
2+ Level 6 monsters
Once per turn, you can also Xyz Summon “Gaia Stream, the Graceful Force” by using 1 Rank 5 or 7 Xyz Monster you control (transfer its materials to this card). Cannot be used as material for an Xyz Summon the turn it was Xyz Summoned.
(1) Cannot attack directly.
(2) Gains ATK equal to the combined Levels/Ranks of its attached materials x 200.
(3) At the end of the Damage Step, if this card battles: Detach 1 material from this card.
0/0

DUAD-JP021 Seigi no Densetsu Kaibaman (Legend of Justice Kaibaman)
Level 1/LIGHT/Warrior/Tuner/Effect
You can only use the (1)st effect of this card’s name once per turn.
(1) If this card is Normal or Special Summoned: You can show 3 “Blue-Eyes White Dragon” in your hand, Deck, face-up field, and/or GY, then Special Summon 1 “Blue-Eyes White Dragon” from your hand, Deck, or GY.
(2) If you Special Summoned “Blue-Eyes White Dragon” while this card is in your GY (except during the Damage Step): You can banish this card; add 1 “Blue-Eyes” monster from your Deck to your hand.
200/700