Standing alongside it is the lesser-known Holy Day, whose only difference is being a white instant, and Darkness, which is the exact same effect but as a black instant
It also severely hampers the mana bases of most nonrotating formats
You can have 52 poison counters, no cards left in your deck, and -100 life, and youre still in the game
Designer Notes: Use your commander to deal tons of damage with all of your smaller burn effects
It can generate vast amounts of mana due to all the cheap or free artifacts available
Still, these bans hurt a lot of players regardless of their interest in Commander, and that's because of card value - which can be a massive problem for small businesses and sellers who suddenly had to account for thousands of dollars in losses due to the plunge these cards' prices have taken