Frank Karsten on Twitter: "@bsweitz123 @donaldwsjr I had already submitted an article on Bolas's Citadel combo decks to ChannelFireball before Neoform (or Mayhem Devil) was previewed, so it was the new element
Combo Sensei's Divining Top +Aetherflux Reservoir +Bolas's Citadel + Magic: the Gathering MTG
Getting ideas for Bolas's Citadel : r/MagicArena
WAR] Bolas's Citadel | The Mana Drain
The Commander Files: MTGWAR Bolas's Citadel Combo Deck | PureMTGO