Ob Nixilis, Captive Kingpin (Foil Etched) [March of the Machine: The Aftermath] MST100 You can only activate 1

You can only activate 1 "Fighting Flame Sword" per turn

and either add to your hand or Special Summon each monster

A deck can have any number of cards named Persistent Petitioners

Powercell Element: Norm Class: Cleric Reserve Cost: 1 (1)

Ob Nixilis, Captive Kingpin (Foil Etched) [March of the Machine: The Aftermath] MST100 You can only activate 1Set: March of the Machine: The Aftermath Type: Legendary Creature Demon Rarity: Mythic Cost: {2}{R}{G} Flying, trample Whenever one or more opponents each lose exactly 1 life, put a +1 +1 counter on Ob Nixilis, Captive Kingpin. Exile the top card of your library. Until your next end step, you may play that card.