If you are playing with Force of Negation then youll take as many blue cards as you can get, otherwise Transmogrify has the bonus of not being easily targeted by Mystical Dispute, while also just having a slightly better mana cost in a deck of only Mountains, as you might be able to find a spot where you cast it alongside a couple blue spells in the same turn that you wouldnt be able to find with Polymorph
Due to Special cards only rarely appearing, and even then only in relatively old sets (the most recent example being box toppers for 2018s Ultimate Masters ), their existence is generally better viewed as trivia rather than an active part of the game
Now, don't take this to mean we're likely to implement a banned-as-commander list in the future
Sliver Legion Sliver Legion is the sliver card that should be in every sliver deck that can produce five colors
Earning at least five points gets you the uncommon Zidane, Tantulus Thief avatar
By now, experienced fans have been playing MTG for ten, fifteen, or even twenty years, and will have a collection of valuable cards to prove it