While one of the less critical areas of your deck, in that it would be super hard to hate draft you out of this archetype by taking cards from this group, it is the area that makes up the majority of your non-land deck
This is a pretty nice idea that resembles the ninjutsu of old and could open up a very intriguing design space revolving around bouncing and re-casting creatures
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The other way a deck ends up in this category is when the commander is a big piece of hate, like Gaddock Teeg or Kalitas, Traitor of Ghet
Minnie Mouse is less popular than Mickey, but she's definitely worth quite a pretty penny as one of the first iconic cards in the entire game
Legendary Monocolor Cycle One of the common things that happens in design is that you get an idea but don't know where exactly to use it, so you let it sit around until it finds a home