When Atsushi dies, you get to choose between creating three treasure tokens or exiling the top two cards of your library until the end of your following turn
Whats worse, if a player is running multiple copies of Shaharazd then subgames can be started within subgames, creating Inception-esque layers of games within games
Again, lets go back to the release of Modern Masters 2013
Note that this works for when any creature attacks, not just yours, so when someone attacks you and triggers a defensive card you also net the trigger twice, so you could play this in a Pillow Fort deck build around things like Cunning Rhetoric and Search the Premises
Need the best tutors for a different color deck
This card is significantly worse in fast formats, but in a grindy format like casual Commander, Commune with Lava can easily find you eight to ten cards