Teferi, Master of Time Teferi, Master of Time was once the most detrimental M21 card in Standard
Hopefully, Wizards will prove this pessimistic outlook wrong in the near future, but well have to wait and see for that
Divine Punishment X TRAP Counter When a Spell/Trap Card, or monster effect, is activated, while "The Sanctuary in the Sky" is on the field: Negate the activation, and if you do, destroy it
Xavier Sal, Infested Captain Both populate and proliferate are fantastic abilities that synergize perfectly with fungus-themed decks, as they revolve around adding tokens and counters
The first match in each series is a tutorial match that is impossible to lose as it's predetermined which cards you and your opponent will draw