We don't necessarily see a compelling reason to ban Reckoner Bankbuster, but it's definitely a possibility, given it appeared in seven out of the top eight decks in the March of the Machine pro tour
(Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player discards a card.) Swampcycling ( , Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.) Unlock the potential of your card collection
The Rocket set introduced Dark Pokmon to the Trading Card Game and you can clearly see here that Dark Charizard is not a Pokmon that you should mess with
Then the super mega popular one-drop 1/1 will turn free sacs into scries
I really like how this card rewards aggressive lines of play, and how The Nuka-Cola Challenges trigger encourages diversifying your attacks on multiple opponents