16 cards where it’s legal in Penny Dreadful and it’s banned in Legacy or it’s legal in Penny Dreadful and it’s banned in Modern

Blazing Shoal (Betrayers of Kamigawa #96)
Cloudpost (Mirrodin #280)
Deathrite Shaman (Ravnica Remastered #175)
Dig Through Time (Outlaws of Thunder Junction Commander #95)
Dread Return (Commander Masters #153)
Field of the Dead (Core Set 2020 #247)
Glimpse of Nature (Champions of Kamigawa #210)
Golgari Grave-Troll (Ravnica Remastered #144)
Hogaak, Arisen Necropolis (Modern Horizons #202)
Hypergenesis (Time Spiral Remastered #210)
Lurrus of the Dream-Den (Ikoria: Lair of Behemoths #226)
Mycosynth Lattice (Battlebond #241)
Second Sunrise (Mirrodin #20)
Tibalt's Trickery (Kaldheim #153)
Yorion, Sky Nomad (Ikoria: Lair of Behemoths #232)
Zirda, the Dawnwaker (Ikoria: Lair of Behemoths #233)

Though this query has ended, its relics still slumber in New Argive.