The other new mechanic is tiered, which appears only on instants and sorceries and grants them scaling power throughout the game
The narrow, experimental category might be reserved for special occasions, a very strict deck-building competition, or some other off-the-wall event, but should not be the first place you drop your Commander budget if you are entering the format
It's a powerful card and is very available based on price and printings
Now that we live in a Thoracle cEDH world, perhaps it could be unbanned
All the others need you to have survive a turn or fulfil criteria on the board to be cards up right away
Not just because it's a terrible card, but also because it's been desperately trying to cling on to a valid strategy ever since it was printed in 2005, and players have been trying to find that strategy for basically the entire time it has existed