It has cool effects that are all expensive
While nothing here looks poised to warp formats, some of these typal payoffs are likely to go down as Commander staples, like Celestial Reunion and Chomping Changeling
Sometimes thats the only place your desired card can be found, so just take care to know your stuff and, if necessary, call for assistance
For example, Dedenne (Mythical Island #30): While weak offensively, its ability to stall can be game-changing
on top of all of that, it has a bit of text that reads: Whenever a creature you control with deathtouch attacks, each opponent loses 1 life and you gain 1 life. That means that not only are you going to poison your opponent, youll also drain them of their life