It can make even the weakest creatures very powerful in an enchantment deck, and as long as you have a Maze of Ith or some other way to keep Ellivere safe while attacking, you can easily distribute a role to your creatures
Whenever Raffine attacks, an attacking creature connives X equal to how many attacking creatures there are
Tidus also, at the beginning of the player combat phase, can move a counter from one controlled creature to another
Like most mechanically unique Universes Beyond cards, especially in the early days, these creatures were controversial
This is on my short list of top sleeper cards
Once Sugar Rush Speedway (or any of this deck's 14 Locations) gets banished, Minnie Mouse, Pirate Lookout will let you bring it back into your hand