I could argue that it ends up doing an amount of damage (well, life loss) disproportional to its mana cost and that it affecting all opponents is way too strong, but the part and parcel of this argument is that it just makes other players feel bad
Take a moment and count some of the items you see in the pictureyoull find that there are 13 of an item in many instances
There are a lot of cards that care about instants and sorceries, and 30 combined instants and sorceries is a decent number to satisfy them
There are some cards that care about surveil, like the ones from Guilds of Ravnica (GRN)
We're actually not gonna talk that much about my wedding, but it serves as a solid enough transition to what we in the industry call "event cards"
Sure, there are times when you might board in an Angel's Mercy in a Magic 2012 draft if your opponent won Game 1 by casting three Lava Axes