Steelswarm Operator is a fine mana dork
Key Cards Azor, the Lawbringer Isperia, Supreme Judge Aurelia, the Warleader Lazav, Dimir Mastermind Vraska the Unseen Vraska, Golgari Queen Niv-Mizzet, the Firemind Niv-Mizzet, Dracogenius Niv-Mizzet Reborn Ral, Crackling Wit Ral, Monsoon Mage / Ral, Leyline Prodigy Ral Zarek Ral, Storm Conduit Domri Rade Domri, Anarch of Bolas Teysa, Orzhov Scion Teysa, Envoy of Ghosts Rakdos, Lord of Riots Rakdos, the Showstopper Trostani, Selesnya's Voice Prime Speaker Vannifar #22
What affects the value of Plains
Kinbinding and Team Avatar are a tiny sample of alternative ways that white puts a wide board of creatures to your advantage
There are plenty of others, however, that are missed because of the warm memories they held of Magic circa 2011
These remain the only four Gold Alt Arts in the hobby