If you cast the Aftermath half, the exile part of its abilities will apply
In design, we call this a "brain freeze." You see, there is a line where you overload the players so much that they are incapable of mentally processing enough to function
Whether you just want to slot this as a value piece in case an opponent is trying to run away with the game by being a little too greedy with their card draw, or you want to make this part of your main strategy with commanders like Sheoldred, the Apocalypse or Nekusar, the Mindrazer , Orcish Bowmasters is going to shoot a lot of damage around the able
It can be used at instant speed and circumvents most counterspells or stax pieces because you are not casting the cards
[11] When old mechanics were revisited in the Time Spiral block, banding was left out for this same reason
Having more than one way to win can make your deck more reliable (that is my opinion, it may not be true)