Am I the only unlucky one who reached stage 60, purchased a lot of different packs, almost got all LDs' cards, and didn't get a single prismatic card, except BEWD and DM which were given to us by Konami?
... yea I would say you are pretty unlucky... I am on stage 41 and I got prismatic:
Econ
Rare Metal Morph
BEUD
Solemn Wishes
Union Attack
Sonic Bird
Sphere Kuribo
Battle Ox
Shard of Greed
Valkyrion
Magic Drain
Time Wizard
Supremacy Berry