Forget mana rocks for a second
5 Secret Lair Drop Series: Dungeons & Dragons: Honor Among Thieves One Of The Few Times A Real Person Is On A Card Doric, Natures Warden / Doric, Owlbear Avenger Edgin, Larcenous Lutenist Forge, Neverwinter Charlatan Holga, Relentless Rager Simon, Wild Magic Sorcerer Xenk, Paladin Unbroken Themberchaud Celebrating the release of the 2023 Dungeons & Dragons film, Honor Among Thieves
4 Koth Of The Hammer Doubles Your Current Red Mana Koth of the Hammer is a red Planeswalker from Scars of Mirrodin
As far as asthetics, Legion is unparalleled in the Magic sleeve world
All these lists use the duplication effects in one way or another, but Vesuvan Duplimancy will have impact in all of them either in the good old or completely new ways