Magics designers must have underestimated the power of delve, because when the Khans of Tarkir set released, several of its cards were soon banned from several formats due to being too powerful
If you have the big name cards like Seige Gang Commander then Nightmare takes a jump in value
Filters (All by default) Explore Speed Duel GX: Duelists of Shadows rankings Top 25 best cards in Speed Duel GX: Duelists of Shadows #1 Speed Duel GX: Duelists of Shadows Mini Box Speed Duel GX: Duelists of Shadows Unknown 30d +1.6% 0.0/dayStrong Vol - $34.56 1 sold (30d) #2 Red-Eyes Darkness Dragon (Secret Rare) Speed Duel GX: Duelists of Shadows Secret Rare #SGX3-ENB01 1st Edition 30d +5.9% 0.0/dayStrong Vol - $9.51 1 sold (30d) #3 Super Polymerization (Secret Rare) Speed Duel GX: Duelists of Shadows Secret Rare #SGX3-ENA17 1st Edition 30d +6.2% 0.2/dayStrong Vol - $6.19 7 sold (30d) #4 D.D
And, if a current character is threatening the field, you can keep your cards readied so they can't be challenged and protected, thanks to her Ward ability
Special Summon 1 WATER monster from your hand to your zone a "Marincess" Link Monster points to
Congrats to these players, and to all of the other players that topped, for working so hard to get where they ended up