Serperior's presence in the player's party often becomes synonymous with the player's own growth and adaptation throughout the game
It has a reasonable downside of having to put a card from your hand on top of your library, being able to stop all damage from an instant or sorcery
Its fast, its consistent, and it includes Academy Ruins, adding surprising utility to the mana base
2021-11-19 If the chosen creature is a token, Mirrorhall Mimic copies the original characteristics of that token as stated by the effect that put the token onto the battlefield, except it's a Spirit
With that said, none of them can boast the iconic, instantly recognizable status of Disney
If you put in a bit of work, you could be killing every creature and gaining control of all of them