First, it helps Izzet decks keep their hand full, something they struggle with even with the high number of cantrips they play
Again, this whole affair ends with salty players, but with the fun bonus of a specific target to harass for it, which is just swell
This card also seems innocent enough to not eat targeted removal because its likely seen as not that threatening, or it will be forgotten about right up until the point where the effect becomes incredibly relevant in a game
Trading initially will only let you transfer certain cards between players, not everything
It is worthwhile to note that Snorlax has to be in the Active Spot and once you use Gormandize, your turn does end
After sending an annoying creature on the board to the top of their opponent's library, they can make them mill their library, sending that creature to the graveyard